(January 28, 1621—February 9, 1621)

SS Peter and Paul

giulio (scudo)



The two patron saints of the Roman church, Peter with a book and keys, Paul with a sword..

Arms of Card. Guastavillani



Arms of Pietro Card. Aldobrandini, Camerlengo of the Holy Roman Church (1599-1621), surmounted by the Ombrellone, crossed keys.

Berman, p. 132 #1638.

Born in Rome in 1571, PIETRO CARDINAL ALDOBRANDINI, the son of Pietro Aldobrandini and of Flaminia Ferracci, was nephew of Pope Clement VIII (1592-1605). He obtained a doctorate in Civil and Canon Law, and was named Protonotary Apostolic. He was created a cardinal deacon in 1593, and along with his cousin Cardinal Cincio took over the affairs of the papal government. On December 20, 1599 he was appointed Cardinal Chamberlain of the Holy Roman Church for life. He acted as Legate for the Pope to Henri IV of France, first to regularize his situation with the Church, and then to finalize the marriage of the king with Catherine de' Medici (1600-1601). He became Archbishop of Ravenna in 1604, and in 1620 was promoted Bishop of the Suburbicarian See of Sabina.  He was unable to carry out the duties of Camerlengo at the Sede Vacante due to his very bad health, which kept him confined to his bed.  He did not even go to the Apostolic Palace until the day of the opening of the Conclave. He died on the day after the conclusion of the Conclave of 1621. The Venetian ambassadors estimated in 1620 that the office of Camerlengo and the office of Chancellor each brought their owners over 100,000 scudi per annum [Relazione, 120].


The Dean of the Sacred College of Cardinals was Cardinal Antonio Maria Sauli, Bishop of Ostia and Velletri. Originally from Genoa, Sauli was educated in the Universities of Florence, Bologna, Pisa and Padua. He began his career as a diplomat in the service of Genoa, but was brought to Rome by Pius IV and made a Referendary in the Signatures of Justice. Gregory XIII appointed him Nuntius to Naples, where he served for five years, and managed to preserve the rights of the Church in that kingdom. He was then dispatched as Internuncio to Portugal, to convince Cardinal Henry, the King of Portugal since August of 1578, to name a successor to the disputed throne. He failed in his task, and the result on the death of Cardinal Henry in January of 1580 was a war in which Philip II of Spain, one of the claimants through his mother, Isabella of Portugal. Philip conquered the country and incorporated the Crown of Portugal into his collection of titles and territories. Pope Gregory gave him no further assignments. In 1585 Sauli was appointed by Sixtus V as coadjutor to the Archbishop of Genoa, and in 1586 he succeed to the Archbishopric, a post he held until 1591. In December of 1587 he was named Cardinal by Sixtus V and given the titulus of SS. Vitale (1588-1591). In 1591 he opted for the titulus of S. Stefano al Monte Celio, and in 1603 for that of S. Maria in Trastevere. In 1607 he was appointed Cardinal Bishop of Albano by Pope Paul V, which he exchanged for of Sabina in 1611. He was promoted to Cardinal Bishop of Porto e Santa Rufina in 1615, and finally to Cardinal Bishop of Ostia e Velletri and Dean of the Sacred College of Cardinals in 1620.  At the time of the Conclave of 1621 he was 79 years old. He died on September 24, 1624. [Ciaconius-Olduin IV, 177; Cardella V, 276-278]


The Secretary of the Sacred College of Cardinals, and therefore Secretary of the Conclave, was Msgr. Muzio Riccerio.

The Governor of the Conclave was Msgr. Varese.

The Sacristan of the Conclave was Msgr. Giovanni Vincenzo Spinola, OESA, Bishop of Thagaste (1620-1623).

The Maestri di ceremonie were Msgrs. Paolo Alaleone [Vincenzo Forcella, Catalogo dei manoscritti relativi alla storia di Roma I (Roma 1879), p. 292 no. 831 (ms. Vat. Lat. 9249)], Giovanni Battista Alaleone, Carlo Antonio Vaccario, and Pietro Ciammaricone [L. Cherubini et al., Magnum Bullarium Romanum editio novissima Tomus Tertius (Lugduni 1712), p. 421, column 1]



The Holy Roman Emperor, Matthias (Hapsburg), who had no heir, had attempted to arrange the succession to the Empire in view of his approaching death.   In 1617, he arranged for his cousin, Ferdinand of Styria, to be elected to the thrones of Bohemia and Hungary. Ferdinand was a Catholic, which caused the Protestand leaders of Bohemia to fear for their religious security. They had proposed an alternative in Frederick V, the Palatine Elector. But when Ferdinand was elected, and sent commissioners to assume the government of Bohemia, the Protestant leaders defenestrated them (May 23, 1618) and began the Bohemian Revolt. When Matthias finally died in 1618, the revolting Bohemians appealed for support from their protestant coreligionists, and a regional conflict became an European war. The Bohemians were assisted for a time by Carlo Emmanuele I of Savoy (who saw the conflict as an opprotunity to weaken Imperial Austria). The loss of the Battle of Sablat (June 10, 1619) changed that. The Spanish sent an army from the Netherlands under the command of Marquis Ambrosio Spinola, to assist the Emperor Ferdinand II. Frederick V, the head of the Protestant Union, was defeated by the forces of the Empire at the White Mountain, on November 8, 1620. Frederick went into permanent exile, the Protestant Union dissolved, Bohemia became firmly Catholic (with many of its nobility dispossessed), and the Spanish seized Frederick's territory in the Rhenish Palatinate, a move which seriously disturbed the French, who felt themselves increasingly surrounded by Hapsburgs and threatened by internal revolts of the protestant Huguenots.

In sending forces to the aid of the Austrian Hapsburgs, the Spanish faced serious difficulties, the more so when they took possession of the Palatinate. To send troops and supplies by sea to the Netherlands and then up the Rhine involved immense logistical problems, complicated by the hostility of Catholic France and Protestant England. As it was, their grip on the Netherlands was constantly and expensively threatened by the Dutch, the Flemish and the French. An obvious alternate route for logistics was by way of Genoa and the (Spanish) Duchy of Milan into Upper Austria. It was desirable for Spain to seize the Valtelline (valley of the Adda River), which would complete the route, but this would involve conflict with France, Savoy, Venice, and others. The only other route was through Venetian territory, which would have a similar result. The Valtelline was Catholic, while its overlords, the League of Grisons, was Protestant.

In 1602, Henri IV had negotiated with the Grisons, at a considerable cost, the right of passage through the four major alpine passes that led down into the Valtelline. The Venetians did the same thing in 1603, likewise at a considerable cost. The Spanish governor of Milan, Fuentes, then closed the lower Adda, which seriously interrupted Lombard trading. In 1617, the Spanish attempted to starve out the Grisons unless they opened the alpine passes to the Spanish troops. On July 20, 1620, some 400 Protestants in the Valtelline were massacred by Catholics who had been armed by the Spanish in Milan. Immediately Spanish troops moved in and occupied the valley.

Gregory knew the problems intimately, since he had negotiated the peace between Carlo Emmanuele I of Savoy and Philip III of Spain in 1616, for which he received the red hat of a Cardinal.


Death of Pope Paul V

Pope Paul V (Borghese) died on January 28, 1621 at the age of 69, after an illness of more than three months, and after suffering a series of strokes, the last on the morning of his death.  Six hours after the stroke he died at the Quirinal Palace.  Paul V had been very actively involved in negotiating with Spain over the issue of the Valtelline and the position of Savoy, and his death caused great frustration in Madrid. One cardinal at least, Alessandro Ludovisi, knew the problems intimately, since he had negotiated the peace between Carlo Emmanuele I of Savoy and Philip III of Spain five years earlier, in 1616, for which he had received the red hat of a Cardinal. The need of the Cardinals in Conclave, and the need of the Emperor, was for a pope who would successfully conclude these negotiations, and (as far as the Emperor was concerned) bring about the weakening of Venice and the exclusion of France from Italy. The conclave began late on February 8, there having been some trouble in getting the French Ambassador to leave the Conclave area. The College of Cardinals was at its prescribed full strength of seventy members, but only fifty-one participated in the Conclave. (Montor, 239).

The first Congregation of Cardinals after the death of the Pope took place on January 29, during which the Fisherman's Ring was broken by Msgr. Paolo Alaleone, Master of Ceremonies, as he relates in his own Diarium. The nine days of mourning (Novendiales) for the deceased pope ended on February 7, 1621. After the Requiem Mass, the Funeral Oration was preached by Msgr. Gaspare Palono, Canon of St. Peter's.


The Cardinals

A list of the participants is to be found in the Bull of Gregory XV which grants privileges and graces to the Conclavists who participated [Cherubini et al., Magnum Bullarium Romanum editio novissima Tomus Tertius (Lugduni 1712), pp. 421-422; Bulliarum Romanum   Turin edition 12 (1867), pp. 497-500]. See also Ciaconius-Olduin IV, columns 465-467. P. Gauchat, Hierarchia Catholica IV (Monasterii 1935), p. 15, n.1


Cardinals attending:

  1. Antonio Maria Sauli (aged 79), Bishop of Ostia e Velletri (1620-1623), Dean of the Sacred College of Cardinals. (died August 24, 1623) Protector of the entire order of S. Augustine.
  2. Benedetto Giustiniani (aged 66) [Genoa],  Bishop of Porto e Santa Rufina (1620-1621) (died March 27, 1621) Doctorate in law (Perugia)
  3. Francesco Maria Borbone del Monte Santa Maria (aged 71) [Picenum, born in Venice],  son of Raynerio del Monte and Minerva Pianosa of Pesaro.  Bishop of Palestrina (1615-1621). He had been Auditor of Cardinal Alessandro Sforza (1565-1581), a nephew of Paul III.  Referendary of the Two Signatures. He was created Cardinal in 1588 by Sixtus V, with the Deaconry of S. Maria in Domnica; he was promoted Cardinal Priest of S. Quirico e Giulitta in 1591. From 1592-1611 he was Cardinal Priest of S. Maria in Aracoeli, and then of S. Maria in Trastevere (1611-1612).  He then opted for S. Lorenzo in Lucina (1612-1615.  In 1615 he entered the Order of Cardinal Bishops with the See of Palestrina (1615-1621).  (died August 27, 1627).
  4. Francesco Sforza di Santa Fiora [Parma, Romanus] (aged 58),  Bishop of Tusculum (Frascati) (1620-1623). (died September 9, 1624). Grand-nephew of Pope Paul III. [È gran praticone... ma è ristretto indissolubilmente con gli Spagnuoli—Ranier Zeno, Venetian Ambassador]
  5. Alessandro Damasceni Peretti Montalto (aged 49) [Romanus],  BIshop of Bishop of Albano (1620-1623) (died June 2, 1623). Nephew of Sixtus V.
  6. Pietro Aldobrandini (aged 49) [Romanus],  Bishop of Sabina (1620-1621) (died February 10, 1621).  He arrived in Rome four days after the Pope's death, suffering from a cold and asthma.

  7. Odoardo Farnese (aged 47), (died February 21, 1626), Cardinal Priest of S. Maria in Via Lata (January to March, 1623). (His name and those of his conclavists are listed in the Bull of privileges and graces [Cherubini et al., Magnum Bullarium Romanum editio novissima Tomus Tertius (Lugduni 1712), pp. 421, column 1], and in Ciaconius-Olduin IV 465)
  8. Ottavio Bandini (aged 62)  [Florentinus], Cardinal Priest of S. Sabina (1596–1615).  He was born in Florence (October 25, 1558), and educated at Florence, Paris, Salamanca and Pisa (where he obtained a law degree, Doctor in utroque iure). He served as a lawyer and administrator in the Papal States from 1572. Gregory XIII made him a Protonotary Apostolic. Sixtus V made him governor of Fermo in 1586, and in 1590 he was Presidente delle Marche. At the Conclave of 1590 he was Governor of the Conclave and Prefect of the Borgo. Gregory XIV wanted to appoint him Datary in 1590, but the Olivares objected.  Clement VIII made him Governor of Bologna in 1592.   He became Archbishop of Fermo in 1595  (1595–1606). Bandini was named Cardinal on June 5, 1596, and assigned the titulus of S. Sabina on June 21, 1596. In 1598 the Cardinal was sent to Picenum as legate to restore order in the face of brigands.   In 1621 he was promoted to be Cardinal Bishop of Palestrina, which he exchanged for Porto and Santa Rufina in 1624. He became Dean of the Sacred College of Cardinals and Bishop of Ostia on September 7, 1626. He died in Rome on August 1, 1629 at the age of 72.  His funeral took place at S. Agostino, and he was buried in S. Silvestro al Quirinale.  He participated in the two Conclaves of 1605, and those of 1621 and 1623.  He had two enemies, the Borghese and the Medici [Histoire des conclaves I, 372].
  9. Bartolomeo Cesi (aged 54), son of Angelo Cesi, Lord of Monticelli, San Polo, Acquasparta, Porcaria, Civitella Cesi, Poggio Cesi e Marcellina, and brother of Don Federico Cesi, 1st Duke of Acquasparta and 1st Prince of San Polo e Sant'Angelo. His mother was Beatrice Caetani, daughter of the Duke of Sermoneta.  Cardinal Priest of S. Maria in Trastevere (1620-1621).  Doctor in utroque iure (Perugia, 1587). Referendary of the Two Signatures. Domestic Prelate of Clement VIII. Protonotary Apostolic de numero participantium  (1586), Cleric of the Apostolic Camera (1589).  Treasurer General S. R. E. (1589).  Cardinal Deacon fo Santa Maria in Portico (1596).  Governor of Tivoli (1597-1605).  Governor of Benevento (1605).  Archbishop of Conza (1608-1614).  Cardinal Priest of S. Pietro in vincoli (1611). Cardinal Priest of S. Prassede (1613). Cardinal Priest of S. Maria in Trastevere (1620).  Cardinal Priest of S. Lorenzo in Lucina (March 29, 1621)  Bishop of Tibur (Tivoli) (May 5, 1621)  He died on October 18, 1621, and was interred in the Liberian Basilica.
  10. Bonifazio Bevilacqua (aged 49), Cardinal Priest of S. Pietro in Vincoli (1613-1621) (died April 7, 1627) Bishop of Cervia. ["val poco nel negozio, seguita Francia e professa portare S. Marco nel cuore"—Ranier Zeno]
  11. Roberto Bellarmino, SJ (aged 78) [Montepulciano], son of the sister of Pope Marcellus II.  Cardinal Priest of S. Matteo in Merulana (1605-1621), previously Cardinal Priest of S. Maria in Via (1599–1605).  He had joined the Jesuits at the age of 18. He was educated at various Jesuit houses of study, including the new Collegio Romano, and then at Padua and Louvain.  He preached publicly in Louvain against the Lutherans with great success.  He was ordained in Ghent in 1570 by Bishop Cornelius Jansen ab Hulst (1565-1576).  He then taught at the Collegio Romano in Rome for eleven years. In 1590 he was a member of Cardinal Enrico Caetani's legation to the French League of the Guises. He was Rector of the Collegio Romano from 1592 to 1594.  He then served for three years as Provincial of the Neapolitan province of the Jesuits (1594-1597).  In 1597 Clement VIII named him Consultor of the Holy Inquisition and Examiner of Bishops.  On March 3, 1599 he was named a cardinal.  He was appointed Archbishop of Capua in 1602, and was granted the pallium, but after three years and three diocesan synods, he resigned following the Conclaves of 1605.  He was recalled by the new Pope, Paul V, and entered into the controversy with the Republic of Venice, becoming the leading proponent of the rights of the Holy See against secular demands, not only in Venice, but also in France and England.  He participated in the first examination of Galileo, and was the person who informed him of his condemnation.   Bellarmine died on September 17, 1621, and was buried in S. Ignazio.  His monument in the Gesù was mutilated in 1843 during the rebuilding of the apse.  It is said that Bellarmine favored the candidacy of Cardinal La Rochefoucauld in the Conclave of 1621. 
  12. Giovanni Battista Deti (aged 44), Priest of Ss. Marcellino e Pietro (1614-1623). (died July 13, 1630).
  13. Domenico Ginnasi (aged 70), Cardinal Priest of SS. XII Apostolorum (1606-1624) (died March 12, 1639).
  14. Antonio Zapata y Cisneros (aged 70) [Spanish], Cardinal Priest of S. Balbina (1616-1635) (died April 27, 1635).
  15. Carlo Gaudenzio Madruzzo (aged 58), Cardinal Priest of S. Cesareo in Palatio (1616-1626) (died August 14, 1629) Bishop of Trent (1600-1629).
  16. Giovanni Delfino (aged 75), Cardinal Priest of S. Marco (1605-1621) (died November 25, 1622).
  17. Giacomo Sannesio (aged 61), Cardinal Priest of S. Stefano al Monte Celio (1604-1621) (died February 19, 1621). Bishop of Orvieto (1605-1621). (His conclavists are not named in the List of privileges and graces [Cherubini et al., Magnum Bullarium Romanum editio novissima Tomus Tertius (Lugduni 1712), pp. 421-422]; Ciaconius-Olduin, however, list him as present)
  18. Scipione Caffarelli Borghese (aged 44) [Romanus], Nephew of Pope Paul V. His memorial to his mother Hortensia, who died in 1598, is in Sma. Trinita del Monte [V. Forcella, Inscrizioni delle chiese di Roma  I, p. 148, no. 353]. Eudcated at the University of Perugia. Cardinal Priest of S. Crisogono (1605-1633).  Major Penitentiary (1610-1633).   Archpriest of the Lateran Basilica (1608-1623).  He died on October 2, 1633, at the age of 56, and was buried in the Borghese Chapel of the Liberian Basilica.
  19. Maffeo Barberini (aged 52) [Florentinus], Cardinal Priest of S. Onofrio (1610-1623) (died July 29, 1644). Pope Urban VIII.  His Conclavists were Fausto Poli, his Maestro di Camera, and Antonio Crisolino, his Aiutante di Camera [Bullarium Romanum 12 (Turin edition), 498]. His secretary was Adriano Ceva.   Barberini was also on friendly terms with Abate Alessandro Scaglia, the agent in Rome of the Duke of Savoy, who was active in the prattica of the Conclave of 1621, even though his Principal, Cardinal Maurizio di Savoia, did not arrive in time for the Conclave.  Barberini found out during the Novendiales, however, that Scaglia was not above criticizing Barberini (to his secretary, Ceva) for his "sottigliezza ed avarizia Fiorentina", and for having such common people as his conclavists   [Carini's Conclavist, 349-350].
  20. Giovanni Millini (aged 58) [Romanus], Cardinal Priest of SS. Quattro Coronati (1608-1627) (died October 2, 1629). Vicar General of Rome.
  21. Marcello Lante della Rovere (aged 59), Cardinal Priest of SS. Quirico e Giulitta (1606-1628). Bishop of Todi (1606-1625).
  22. Michelangelo Tonti (aged 54) [Rimini], Cardinal Priest of S. Bartolomeo all’ Isola (1608-1621).  Francesco Borghese, the Cardinal's brother, was responsible for the launch of his career in the Curia, as procurator for cases involving the Borghese family. He became Auditor General to Cardinal Scipione Borghese. Canon of the Lateran Basilica.  Archbishop of Nazareth (1608-1609). Bishop of Cesena (1609-1622).  Archpriest of the Liberian Basilica (1611-1622), on the death of Cardinal Pinelli.   He hated Borghese, due to his having turned Paul V against him;  Tonti also disliked Ludovisi.   He died on April 21, 1622, and was buried at the Gesù  [V. Forcella Inscrizioni delle chiese di Roma 10, p. 472 no. 774].
  23. Fabrizio Veralli (aged 60) [Romanus], a relative of Urban VII. Cardinal Priest of S. Agostino (1608-1624)   Nephew of Cardinal Hieronymus Veralli.  Doctorate (Perugia). Canon of the Vatican Basilica. Appointed Inquisitor of Malta by Innocent VIII.  Appointed Bishop of San Severo (1606-1615) by Paul V in 1606, and Nuncio in Switzerland. Vice-Protector of Ireland (1616). Abbot Commendatory of the Monastery of S. Agnete fuori le mura.  He died on November 17, 1624, and was buried in his titulus  [V. Forcella  Inscrizione delle chiese di Roma 5, p. 89, no. 267].
  24. Giovanni Battista Leni (aged 47) [Romanus], Cardinal Priest of S. Cecilia (1618-1627). (died November 3, 1627).  Bishop of Miletus (1608-1611). Bishop of Ferrara (1611-1627).  He succeeded Cardinal Borghese as Archpriest of the Lateran Basilica, where he performed the ceremonies of the Opening and Closing of the Holy Door during the Jubilee of 1625 [V. Forcella  Inscrizione delle chiese di Roma 8, p. 58, no. 153].
  25. Decio Carafa (aged 64) [Neapolitanus], Cardinal Priest of SS. Giovanni e Paolo (1612-1626) (died January 23, 1626). Archbishop of Naples (1613-1626).
  26. Domenico Rivarola (aged 45) [Genoa], Cardinal Priest of S. Martino ai Monti (1611-1627) (died January 3, 1627).
  27. Jean de Bonsi [Giovanni Bonsi] (aged 66) [Florentinus], Cardinal Priest of S. Clemente (1615-1621). (died July 4, 1621). Bishop of Béziers.
  28. Filippo Filonardi (aged 38), Cardinal Priest of S. Maria del Popolo (1614-1622). (died September 29, 1622).
  29. Pier Paolo Crescenzi (aged 48) [Romanus], son of Virginio Crescenzi and Constanza del Drago; Cardinal Priest of SS. Nereo ed Achilleo (1611-1629) (died February 19, 1645) Bishop of Rieti (1612-1621).
  30. Giacomo Serra (aged 50) [Genoa], Cardinal Priest of S. Maria della Pace (1615-1623) (died August 19, 1623).  He had been Treasurer General S. R. E. before his elevation to the Cardinalate in 1611.
  31. Agostino [Simone] Galamini, OP (aged 67) [Brisighella, in the Romagna], Cardinal Priest of S. Maria in Ara Coeli (1612-1639).  He taught philosophy at the Dominican convent at Bologna, theology at Faenza (his home convent), and at Mantua. In 1592 he became Inquisitor at Brescia, and in December, 1592, he became Master of Theology. From 1597-1600 he was Inquisitor at Genoa, and then from 1600-1604 at Milan.  He then was called to Rome, where he was named Commissary General of the Holy Office.   Master of the Sacred Palace (1607-1608).  53rd Master General of the Order of Preachers (1608-1612) [Mortier, Histoire des Maîtres Généraux de l' Ordre des Frères Prêcheurs VI (Paris 1913) 122-141].  Bishop of Recanati-Loreto (1612-1620). Bishop of Osimo (1620-1639). (died September 6, 1639) "Ara Coeli"
  32. Gaspar Borja y Velasco (aged 40) [Spanish], son of Francisco, Duke of Gandia (a friend of Paul V when he was Nuncio in Spain); grand-nephew of S. Francis Borgia.  Cardinal Priest of S. Croce in Gerusalemme (1616-1630) Doctor of Theology.  Dean of the Complutense.  Canon of Toledo.  Archbishop of Seville  (1632-1645).  Archbishop of Toledo (1645).   (died December 28, 1645).
  33. Felice Centini, OFM Conv. (aged 58) [Asculum], Cardinal Priest of S. Lorenzo in Panisperna (1613-1621) (died January 24, 1641) Bishop of Macerta e Tolentino (1613-1633).
  34. Roberto Ubaldini (aged 39) [Florentinus], Cardinal Priest of S. Pudenziana (1617-1621). Bishop of Montepulciano (1607-1623). Former Nuncio in France. Grand-nephew of Pope Leo XI. (died April 22, 1635).
  35. Tiberio Muti (aged 46) [Romanus], son of Duke Carlo.  A relative of Pope Paul V.   Cardinal Priest of S. Prisca (1616-1636).  Bishop of Viterbo (1611-1636). (died April 14, 1636).
  36. Giulio Savelli (aged 46) [Romanus], son of Bernardino, Prince of Albano; Cardinal Priest of S. Sabina (1616-1636). (died July 9, 1644).
  37. Alessandro Ludovisi (aged 66) [Bononiensis]; he had a brother Conte Orazio (who was married to an Albergati), who had three children, Lodovico, Nicolo and Hippolita;  Donna Hippolita was married to Prince Aldobrandini. Cardinal Alessandro also had a widowed sister.  Cardinal Priest of S. Maria in Traspontina (1618-1621). Bishop of Bologna (1612-1621).  Pope Gregory XV (1621-1623).  He arrived only on the day of the opening of the Conclave.
  38. Pietro Campori (aged 67) [Modena], Cardinal Priest of S. Tommaso in Parione (1616-1643) (died February 4, 1643). Former personal secretary, then Majordomo of Cardinal Scipione Borghese. Former Grand Master of the Ospedalieri (canons regular) di S. Spirto (in Sassia). Protector of the Camaldolese.
  39. Ladislao d' Aquino (aged 77), Cardinal Priest of S. Maria sopra Minerva (1616-1621). (died February 12, 1621). Bishop of Venafro (1581-1621). (His conclavists are not named in the List of privileges and graces [Cherubini et al., Magnum Bullarium Romanum editio novissima Tomus Tertius (Lugduni 1712), pp. 421-422]; Ciaconius-Olduin, column 467, however, list him as present]
  40. Matteo Priuli (aged 43) [Venetus], Cardinal Priest of S. Marco (1621-1624). (died March 13, 1624)..
  41. Scipione Cobelluzzi (aged 56) [Viterbo], Cardinal Priest of S. Susanna (1616-1626), (died June 29, 1626). Bibliothecarius of the Holy Roman Church (1618-1626).
  42. Pietro Valier (aged 46) [Venetus], Cardinal Priest of S. Salvatore in Lauro (1621-1624). (died April 9, 1629). Archbishop of Candia (Gandia, Crete) (1620-1623)..
  43. Giulio Roma (aged 39) [Mediolanensis], Cardinal Priest of S. Maria sopra Minerva (1621-1639). (died September 16, 1652). Bishop of Recanati e Loreto (1621-1634).
  44. Cesare Gherardi (aged 43) [Perusinus], Cardinal Priest of S. Pietro in Montorio (1621-1623) (died September 23, 1623). Bishop of Camerino (1622-1623).  A very good friend of Cardinal Barberini [Carini's conclavist, p. 348]
  45. Desiderio Scaglia, OP (aged 53) [Cremonensis], Cardinal Priest without titulus (1621, January to March). (died August 21, 1639).
  46. Stefano Pignatelli (aged 42) [Perusinus], a follower of Cardinal Scipione Borghese. Cardinal Priest without titulus (1621, January to March). (died August 12, 1623, and was buried in S. Maria sopra Minerva).

  47. Andrea Baroni Peretti Montalto (aged 47), Cardinal Deacon of S. Maria in Via Lata (1621, January to May) (died August 3, 1629). Prior Diaconorum [Gattico I, 349, 350].
  48. Alessandro d'Este (aged 52), Cardinal Deacon of S. Eustachio (1621, January to April).   Bishop of Reggio Emilia (1621-1624).   (died May 13, 1624)
  49. Carlo Emmanuele Pio di Savoia (aged 39) [Ferrara], Cardinal Deacon of S. Nicola in Carcere (1604-1623) at the age of 19.  He spent the entire reign of Paul V living in Ferrara in straightened circumstances.   Made Legate of the Marches by the new pope (from March 17, 1621).   (died June 1, 1641; buried in the Gesù).
  50. Luigi Capponi (aged 35) [Florentinus], Cardinal Deacon of S. Angelo in Pescheria (1620-1621).  Legate in Bologna (1614-1619). Previously Cardinal Deacon of S. Agatha (1608-1620). (died April 6, 1659).
  51. Carlo de' Medici (aged 22) [Florentinus], son of Duke Ferdinando I and Christine, daughter of Charles III Duke of Lorraine, and brother of Ferdinando II, Grand Duke of Tuscany; Cardinal Deacon of S. Maria in Domnica (1616-1623). (died.June 17, 1666).
  52. Alessandro Orsini (aged 25) [Romanus], son of Virginio, Duke of Bracciano; Cardinal Deacon of S. Maria in Cosmedin (1616-1626) (died August 22, 1626). Hostile to France, but also to Borghese.

Cardinals not attending:

  1. Federico Borromeo (aged 56), Cardinal Priest of S. Maria degli Angeli (1593-1631) Archbishop of Milan (1595-1631) (died September 21, 1631).
  2. Franz von Dietrichstein (aged 49) [German], Cardinal Priest of S. Silvestro in Capite (1599-1623). (died November 23, 1633). Bishop of Olomouc (1599-1636)
  3. François de Sourdis d'Escobleau (aged 48) [French], Cardinal Priest of S. Marcello (1606-1621) (died February 8, 1628) Archbishop of Bordeaux (1599-1628).
  4. Maurizio di Savoia (aged 24), nephew of the King of Spain, educated in Spain. Canon of Cologne and of Liège. Cardinal Deacon without Deaconry (1607-1621). Resigned the cardinalate in 1642. (died October 4, 1657).  He arrived in Rome on February 16, 1621, and was given his galero at a public Consistory on February 18 by the new Pope.  He may have believed that the Conclave would be long and that he had time to get to Rome.
  5. François de la Rochefoucald (aged 62) [Auvergne, France, but born in Paris], of the family of  d'Albret, kings of Navarre; his mother was Fulvia Pico della Mirandola. Cardinal Priest of S. Callisto (1610-1645).  Appointed Prefect of the Royal Chapel at the age of 16 by Henri III.  At the age of 26 he was appointed by Sixtus V Bishop of Clermont-Ferrand (1585-1610) [Gallia christiana 2, 298].  Bishop of Senlis (1610-1622) [Gallia christiana 10, 1446-1450].  Abbot of the Monstery of S. Genevive in Paris.   He took part in the Estates Geneeral of 1614, and in the Assembly of the Clergy in Paris in May, 1615.   On October 1, 1620, he held a diocesan synod, in which the decrees of the Council of Trent were adopted, salvis Ecclesiae Gallicanae libertatibus.  He held no doctorate.  His advancement was due to the influence of Henri III and Henri IV.  Grand Eleemosynary of the King of France (1618), in succession to Cardinal du Perron. Commander of the Order of the Holy Spirit. Councillor of the King of France.  (died February 14, 1645).
  6. Louis de Guise (aged 45) [French], Cardinal Priest without titulus (1615-1621). (died June 18, 1621).
  7. Gabriel Trejo [Tressius] y Paniagua (aged 58) [Spanish], Cardinal Priest of S. Pancrazio (1617-1621). (died February 2, 1630).
  8. Baltasar Moscoso y Sandoval (aged 29) [Spanish], Cardinal Priest without titulus (1615-1630). Bishop of Jaén (1619-1646)
  9. Melchior Klesl (aged 71) [Austria], Cardinal Priest without titulus (1616-1623). (died September 18, 1630). Bishop of Vienna (1613-1630)
  10. Henri de Gondi (aged 48) [French], Cardinal Priest without titulus (1618-1622) (died August 14, 1622). Bishop of Paris (1597-1622).
  11. Francisco Gómez de Sandoval y Rojas (aged 67) [Spanish], son of Duke Francisco and Isabella Borgia. Cardinal Priest of S. Sisto (1621-1625). (died May 17, 1625). Duke of Lerma. He never saw Rome.
  12. Fernando de Austria (aged 11), son of Philip III of Spain and Marguerite of Austria; Cardinal Deacon of S. Maria in Portico (1619-1641). (died November 9, 1641). Infante of Spain. Archbishop-elect of Toledo
  13. Francesco Cennini de' Salamandri (aged 54) [Siena], Cardinal Priest of S. Marcello (1621-1641). (died October 2, 1645). Bishop of Amelia (1612-1623). Nuncio in Spain (1618-1621).
  14. Guido Bentivoglio (aged 41) [Ferrara], Cardinal Priest of S. Maria del Popolo (1622-1635) (died September 7, 1644). Bishop of Riez (1622-1625). Nuncio in France (1616-1621).  He received the news of his promotion to the Cardinalate (announced by Paul V on January 11, 1621) on January 26, 1621 in Paris,  and on February 20 he announced that he would be going to Rome;  but Paul had died on January 28, and there was already a new Pope [Egidio Ghezzi (editor), Raccolta di lettere scritte dal Cardinal Bentivoglio in tempo delle sue Nuntiature di Fiandra e di Francia (Roma: Mascardi 1647)   pp. 251-254; L'Eggs, Purpura Docta VI, 278].
  15. Eitel Friedrich von Zollern (aged 38) [Germanus], Cardinal Priest of S. Lorenzo in Panisperna (1621-1625) (died September 19, 1625).
  16. Giovanni Doria (aged 47), Cardinal Deacon of S. Adriano al Foro (1605-1623). (died November 19, 1642). Archbishop of Palermo (1608-1642).
  17. Louis de Nogaret d'Épernon de La Valette (aged 27) [France], Cardinal Deacon without Deaconry (1621-1623). Archbishop of Toulouse (from 1613).
  18. Agostino Spinola Basadone (aged 26) [Genoa], Cardinal Deacon without Deaconry (1621-1623). (died February 12, 1649). Bishop of Tortosa (1623-1626).



The pre-conclave posturing and politicking was especially intense. The cardinals were divided into several factions: the "Elders" (5) , led by Alessandro Cardinal Peretti de Montalto (Bishop of Albano), had among their number Cardinals Benedetto Giustiniani (Bishop of Porto), Monti, Peretti, and Sauli (Bishop of Ostia).  Another faction (10), led by Cardinal Aldobrandini, counted Cardinals Bandini, Bellarmino, Bevilaqua, Cenesio, Cesi, Delfino, Detti, Ginnasio, and Pio in their number; unfortunately Cardinal Aldobrandini himself fell ill just before the conclave began. The faction of Cardinal Borghese, the dead pope's nephew (29), included Cardinals Aquino, Aracoeli [Francesco Bourbon del Monte Santa Maria, Bishop of Palestrina], Ascoli, Barberini, Brioli, Campori, Cappone, Caraffa, Crescenzio, Filonardi, Gerardi, Lanti, Leni, Ludovisi, Mellini, Muti, Orsini, Pignatelli, Rivarolo, Giulio Roma, Santa-Susanna (Scipione Cobelluzzi), Savelli, Scaglia, Serra, Tonti, Ubaldini, Valerio and Varallo. This group were in considerable disaccord, however, on a number of matters, though Borghese was campaigning hard for Campora.  Cardinal Ubaldini, however, suggested to the French Ambassador the Marquis de Coeuvres, that he might be able to organize ten or twelve of Borghese's cardinals for the French faction ["Relation", 307].   The Venetian ambassadors indicated that Borghese was having trouble with Ubaldini, Orsini and Tonti [Relazioni, 115]

The Spanish faction had three members present: Gaspar Borgia, Carlo Madruzzo (Bishop of Trent), and Antonio Zapata. The French faction included Cardinals Jean de Bonsi, Alessandro d'Este, Odoardo Farnese, and Francesco Sforza (Bishop of Frascati). The Florentines followed Cardinal Carlo de' Medici, and included Cardinal Farnese, whose House was allied with the Medici. Eighteen cardinals could impose an exclusion by withholding their votes; such a grouping was in place as the conclave began: Aldobrandini and his faction (10), the 3 Spanish votes, Orsini, Ubaldini, Bonsi, and Sforza, joined later by Priuli. (Petruccelli, 21). The favorites seemed to be Ludovisi and Aracoeli.


Attempts to extend the exclusiva

Guicciardini, the Ambassador of the Grand Duke of Tuscany, reported (on January 28, the day the Pope died) that the Spanish Ambassador had dared to demand of Cardinals d'Este, Farnese, Sauli and Orsini, that they give no exclusions to any other party except his own king's. No one wanted to permit this, and those favoring the French interest were outraged [Petruccelli, 6]. On February 4, Cardinal de' Medici wrote that Cardinal Savelli had told him to be on guard against Bandini, who was saying (inter alia) that Cardinal [Domenico] Giannisi was excluded by Spain [Petruccelli, 7]. This was not, of course, a formal veto, which could only be presented in Conclave. Later in the letter Medici comments that Cardinal Aquino was excluded by the Duke of Savoy—who did not enjoy the formal right of the exclusiva. The cardinal's language in his letter, therefore, is to be taken in a casual rather than in the technical sense.  But the exclusion of Aquino must be taken seriously nonetheless.  Savoy was operating in concert with France, and that party could produce enough votes to impose an exclusiva. Likewise in a letter to Cardinal Medici, the Florentine Secretary of State Pichena notes that "Savoy excludes Monti." Austria appears to have favored Cardinal Millini, the Vicar-General of Rome, who had been a special ambassador to the Hapsburgs in Vienna [Petruccelli, 9].  According to Giuliano de' Medici (writing from Spain on February 18), the Spanish Court favored the election of Cardinal Campori or Cardinal Cobelluzzi.

Count Orso d'Elci, a representative of the Grand Duke of Tuscany, was of the opinion that Cardinal Scipione Borghese favored Cardinal Pietro Campori in the first instance (which was correct), and then Ladislao d'Aquino or Alessandro Ludovisi.   Campori's chances, which seemed close to a certainty, collapsed, however, as accusations circulated about his dissolute youth and about a homicide which he may have committed [Novaes, 162; Moroni, 32, 309; the statement is attributed to Cardinal Sforza: Petruccelli III, p. 25].  The French Ambassador, moreover, was working feverishly with Cardinal Aldobrandini to stop Campori. Alessandro Orsini, too, a personal enemy of Cardinal Borghese, did everything he could to put together an exclusiva against Campori. He had support among the creature of Clement VIII (Aldobrandini), as well as that of Cardinal Ubaldini; the French and the Venetians were also interested. Only eighteen votes would be needed. Borghese, on his part, attempted to put together a group of cardinals large enough to stimulate the whole college to elect Campori by "adoration" as soon as the Conclave had been enclosed. But Cardinal Bellarmino remarked that the middle of the night was a time for sleep, not electing popes, and so the scheme misfired (Wahrmund, 123). Indeed, this attempt at an election by adoration, "inspired" by the Holy Spirit, and the circumstances of his own election, may have motivated the future pope, Gregory XV, to rewrite the conclave regulations to exclude such maneuvers.

During the Novendiales, in an effort to draw out the Abate Scaglia—the agent of Savoy in Rome and a universal busybody, but one who was well-connected and clever—Cardinal Barberini's secretary, Adriano Ceva staked out Scaglia's house until the two had an 'accidental' meeting.  Their casual conversation, which included snide remarks on the part of Scaglia against Barberini and his conclavists (Scaglia was of the minor aristocracy and a snob),  eventually came around to the question of who would be elected pope.  The two well-informed agents agreed that each of them would write the name of three Cardinals they thought most likely to be elected pope, and then they would exchange lists.  Scaglia wrote only that the pope would be Ludovisi.  [Carini, 351]



On Monday, February 8, the Mass of the Holy Spirit was sung by Cardinal Benedetto Giustiniani, Bishop of Porto and Pro-Decanus, and at 9:00 p.m. (sexta hora noctis) the Conclave was supposed to be sealed.  There had been a good deal of trouble trying to get the French Ambassador, the Marquis de Coeuvres, to leave the Conclave area.  He was frantically trying to make up for the fact that Cardinal Pietro Aldobrandini, his close ally, was confined to bed and unable to engage in the pratticà.  Cardinal Borghese, however, seeing the prospects of his choice, Cardinal Campora, near to success, got the Spanish Ambassador to leave, thereby putting pressure on Coeuvres to quit his politicking and leave as well, with his work of organizing the opposition to Campora and Borghese not yet done.  Coeuvres, however, continued his visits, and did not leave the Conclave until six in the morning.


On Tuesday, February 9, the Mass of the Holy Spirit was sung inside the Conclave by the Dean of the Sacred College, Cardinal Antonio Maria Sauli.  The Apostolic Brief of Paul V, in which he had granted to Cardinal de' Medici all the privileges of the Diaconate, though he was not in Holy Orders, was read to the assembled Cardinals [Gattico I, 349].  In the first ballot, in the Pauline Chapel, on the morning of the 9th, the largest number of votes went to the Jesuit Cardinal Roberto Bellarmino. Cardinal Campori, the "inspired" choice of the previous day, did not even have a majority, let alone a two-thirds majority (Petruccelli, 30, says "pas un seul"). Several Cardinals were not present, due to real or diplomatic illnesses, Montalto, Aldobrandini, Cesi, Aquino, Farnese and Capponi.  Two cardinals, Borromini and Maurizio di Savoia, were not yet in Conclave.   Bellarmine, however, who had a very good chance of being elected, was insistant in his refusal of the papal honor. He expressed his own preference for François Cardinal de la Rochefoucault—who was not in attendance.

There is something peculiar about the story of Cardinal Bellarmine's support.  The French Ambassador, the Marquis de Coeuvres, in a Relation written after the Conclave for Louis XIII, does not mention the name of Bellarmine even once.  His name is not included on any list of papabili, nor is his name on any list of those to be excluded.  Though Coeuvres worked all day on Monday the 8th and all the way until dawn on the 9th, stroking and prodding one cardinal after another,  no one so much as mentioned the name of the Jesuit Cardinal.  Bellarmine's appearance in the talley of the first ballot, therefore, must represent either a tribute to his genius and orthodoxy, or else the choice of a non-starter by cardinals who had not made up their minds whether to vote for Aquino or Ludovisi.  Two of the faction leaders, Aldobrandini and Montalto, were ill and unable to move around the Conclave for an efficient  prattica.  Bellarmine's own recommendation of Rochefoucault is no testimony to his political astuteness; Rochefoucault would have been rejected immediately by the Spanish.  But in any case, Rochefoucault was not present at the Conclave, and the Cardinals were never minded, except in the most extraordinary circumstances, to consider an absent Cardinal as a real candidate.

A Milanese writer, Filippo Argelati (Biblioteca degli scrittori milanesi), alleges that the Cardinals offered the tiara to Cardinal Federigo Borromeo, the cousin of the sainted Charles Borromeo, but that he too refused—but this is another conclave myth, inspired no doubt by local Milanese patriotism.


That evening, at 11:45, in a movement organized by Cardinals Ubaldini and Orsini, Cardinal Ludovisi was escorted to the chapel, and a vote took place. He was elected by fifty of the cardinals. He cast his own vote for Cardinal Sauli. There were fifty-two cardinals in Conclave at the time, but only fifty-one participated in the final vote. Cardinal de Aquino was in bed in his cell, in the process of dying.  The Election was viva voce, beginning with Cardinal Sauli, the Dean of the Sacred College.  At his turn, Cardinal Ludovisi announced his vote for Cardinal Sauli  [Paolo Alaleone, in Gattico I, 349].  During the homage, the Ring of the Fisherman was presented to the new Pope by Cardinal Aldobrandini, the Camerlengo.  Since the hour was late, the new Pope was not taken to St. Peter's, but instead the Pope and Cardinals remained the night in the Conclave  [Paolo Alaleone, Magister Caeremoniarum, in Gattico I, 349; Novaes, 162; Petruccelli, 33].


Cardinal Ludovisi took the name Gregory XV, and was crowned in the Vatican Basilica on Sexagesima Sunday, February 14, by Cardinal Andrea Baroni Peretti Montalto. The Basilica was so cold that the chapel in which the Pontifical Mass took place had to be shut off with boards, and cloths laid to keep off the chill. The areas of the Basilica in which ceremonies took place were closed off with barriers to control the crowds [Paolo Alaleone, Magister caeremoniarum].

He took possession of his cathedral, the Lateran Basilica, on May 9, the Fourth Sunday in Easter time [Gattico, I, pp. 407-408].


On November 26, 1621, Gregory XV issued a bull,  Aeterni Patris, revising the regulations for the Election of a Pope.   The bull was prepared with the assistance of a committee (Congregatio ceremonialis) composed of Cardinals Sauli, Sforza, Bandini, Garsia, Ubaldini, Cobelluzzi, Ludovisi and Sacrati; and Paulo Alaleone, Master of Ceremonies, and Francesco Ingoli, Secretary of the Congregation  [Meuschen, 6-69].  The bull was subscribed by forty-one cardinals [Bullarium Romanum  (Turin edition) 12, 619-627].





"Relation du Conclave, dans lequel on éleut le Cardinal Ludovisio, nommé depuis Gregoire quinziéme,"  in  Les Memoires de la Régence de la Reyne Marie de Medicis (Paris: Chez Thomas Iolly, 1666),   pp. 297-336.  "Cette Lettre de l'Ambassadeur de France [the Marquis de Coeuvres] écrite au Roy incontinant apres l' élection de Gregoire XV., faisant connoistre combien ce choix estoit avantageux au service de sa Majesté, "  Les Memoires de la Régence de la Reyne Marie de Medicis (Paris: chez Thomas Iolly, 1666), 337-350.

"Creation del Papa Lodevisio chiamato Gregorio XV (9 Feb. 1621),"  ms. in Trinity College Cambridge Library:  Montague Rhodes James, The Western Manuscripts in the Library of Trinity College, Cambridge. A Descriptive Catalogue Volume II (Cambridge 1901), no. 654, p. 153. [Non vidi].   Other mss., in Roman libraries, are listed by F. Cerroti, Bibliografia di Roma medievale e moderna Volume I (Roma 1893), 317-318 [non vidi].  Cardinal Alessandro Orsino, Conclave di Gregorio XV  (Codex Ottobonianus 2481, ff. 366-384) [V. Forcella, Catalogo dei manoscritti relativi alla storia di Roma II (Roma 1880), pp. 209 no. 292]. [non vidi].    "Relazione del Conclave nel quale fu eletto Papa Gregorio XV. a 9 de Febraro 1621" (Codex Urbin. Lat. 409, from folio 105  [C. Stornajolo (editor), Codices Urbinates Latini   I (Romae 1902), p. 423] [non vidi].

N. Barozzi and G. Berchet (editors), Relazioni degli stati europei, lette al Senato dagli Ambasciatori Veneti nel secolo decimosettimo Serie III. Italia. Relazioni di Roma. Volume I (Venezia 1877).

Joannes Baptista Gattico,   Acta Selecta Caeremonialia Sanctae Romanae Ecclesiae ex variis mss. codicibus et diariis saeculi xv. xvi. xvii.   Tomus I (Romae 1753), pp. 349-350 [Conclave diary of Paolo Alaleone]; 407-408 [Coronation and Possessio].  Iohannes Gerhardus Meuschen (editor), Caeremonialia Electionis et Coronationis Pontificis Romani et Caeremoniale Episcoporum (Francofurti: ex officina B. Joh. Max. a Sande.  MDCCXXXII)

Ferdinando Petruccelli della Gattina, Histoire diplomatique des conclaves Volume III (Paris 1865) 5-38.  A. F. Artaud de Montor, Histoire des souverains pontifes Tome V (Paris 1852) 239-241. G. Novaes, Elementi della storia de' sommi pontefici  terza edizione Tomo nono (Roma 1822) 161-163 . Ludwig Wahrmund, Das Ausschliessungs-recht (jus exclusivae) der katholischen Staaten Österreich, Frankreich und Spanien bei den Papstwahlen (Wien: Holder 1888), 121-123.

A. Mascardi, "Scrittura intorno alla elezione in Sommo Pontefice del Card. Ludoviso," Atti della Società ligure di storia patria 42 (1908) 523-542. A. Tassoni, "Il conclave in cui fu eletto Papa Gregorio XV, " Miscellanea Ceriani (edited by C. Stornaiolo) (Milano 1910), 329-350. C. Wood, Gregory XV (1621-1623) (Ann Arbor: University of Michigan Press 1990). F. Baumgarten, A History of the Papal Elections (New York 2003) 143-144.

E. Timpe,  "Die Kirchenpolitischen Ansichten und Bestrebungen des Kardinals Bellermin,"  Kirchengeschichliche Abhandlungen III (edited by Max Sdralek) (Breslau 1905), 3-133.  Joseph de la Servière, SJ, "Les idées politiques  du Cardinal Bellermin," Revue des questions historiques  41 (1907);  42 (1908), 56-90. [extremely sympathetic].  J. J. I. von Döllinger and Fr. Heinrich Reusch,  Die Selbstbiographie des Cardinals Bellarmine (Bonn 1887) [Latin and German].

Francesco Rivola, Vita di Federico Borromeo, Cardinale del titolo di Santa Maria degli Angeli ed Arcivescovo di Milano (Milano: Giuseppe Gariboldi 1656).


© 08/17/2006, 10/10/2008, 12/10/2011

September 27, 2015 8:15 AM

John Paul Adams, CSUN

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