Medici (Pope Pius IV), Archbishop of Ragusa (1 September 1550-23 March 1552) Giovanni Poggio, Bishop of Tropea (23 March 1552-12 February 1556) Giovanni Michele Saraceni, Vice-Chamberlain of the Holy Roman Church (24 March 1557-7 February 1565) Scipione Rebiba, Bishop Emeritus of Troia (7 February 1565-7 October 1566) Pier Francesco Ferrero, Bishop Emeritus of Vercelli (7 October 1565-14 November 1566) Ludovico Simoneta, Datary of His Holiness (15 November 1566-30 April 1568) Philibert Babou de La Bourdaisière, Bishop Emeritus of Angoulême (14 May 1568-25 January 1570) Antoine Perrenot de Granvella, Archbishop of Mechelen (10 February 1570-9 June 1570) Stanislaw Hozjusz, Apostolic Nuncio Emeritus of Hungary (9 June 1570-3 July 1570) Girolamo di Corregio, Archbishop of Taranto (3 July 1570-9 October 1572) Gianfrancesco Gambara, Bishop of Viterbo (17 October 1572-9 October 1572) Alfonso Gesualdo, Archbishop Emeritus of Conza (9 July 1578-17 August 1579) Zaccaria Delfino, Bishop Emeritus of Gyôr (7 August 1578-19 December 1583) Giovanni Francesco Commendone, Apostolic Nuncio Emeritus to Poland (9 January 1584-14 May 1584) Pier Donato Cesi, Bishop Emeritus of Narni (28 May 1584-29 September 1586) Ludovico Madruzzo, Bishop of Trento (1 October 1586-20 March 1591) Giulio Canani, Bishop of Modena (20 March 1591-27 November 1592) Simeone Tagliavia d'Aragonia, Priest (9 December 1592-18 August 1597) Bonifazio Bevilacqua Aldobrandini, Bishop of Cervia (17 March 1599-31 August 1611) Bernardo de Rojas y Sandoval, Archbishop of Toledo (26 February 1601-7 December 1618) Felice Centini, Bishop of Tolentino (3 March 1621-28 November 1633) Ulderico Carpegna, Bishop of Gubbio (9 January 1634-21 April 1659) Federico Sforza, Camerlengo of the Sacred College of Cardinals (21 April 1659-21 November 1661) Carlo Bonelli, Vice-Chamberlain of the Holy Roman Church (15 April 1665-27 August 1676) Camillo Massimo, Apostolic Nuncio to Spain (19 October 1676-12 September 1677) Girolamo Gastaldi, Archbishop of Benevento (13 September 1677-8 April 1685) Federico Baldeschi Colonna, Prefect of Sacred Congregation of Council (9 April 1685-4 October 1691) Giambattista Costaguti, Priest (12 November 1691-8 March 1704) Giandomenico Paracciani, Prefect of Sacred Congregation for Bishops (25 June 1706-9 May 1721) Nuno da Cunha e Ataíde, Bishop of Elvas (16 June 1721-3 December 1750) Carlo Maria Sacripante, Priest (1 February 1751-12 January 1756) Giacomoi Oddi, Bishop of Viterbo (12 January 1756-22 November 1758) Carlo Vittorio Amedeo delle Lanze, Priest (22 November 1758-21 March 1763) Ludovico Calini, Bishop of Crema (1 December 1766-4 March 1771) Muzio Gallo, Bishop of Viterbo (11 April 1785-13 December 1801) Ludovico Flangini Giovanelli, Patriarch of