His imprisonment in the Castel Sant'Angelo helped lead to the election of Niccolò Capponi as Gonfaloniere of the Florentine Republic.
The historian Paolo Giovio was this man's personal physician and confidant for fifteen years. The monumental Storia d'Italia, or History of Italy, was written by a man he appointed viceregent of Romagna and then lieutenant-general in the papal army, Francesco Guicciardini. His imprisonment in the Castel Sant'Angelo helped lead to the election of Niccolò Capponi as Gonfaloniere of the Florentine Republic. With France, England, Florence, Milan, and Venice, he formed the League of Cognac, which could not prevent the sack of Rome at the hands of the Holy Roman Empire in 1527. FTP, name this cousin of Leo X, a Medici who served as pope from 1523 to 1534 and refused to annul the marriage between Henry VIII and Catherine of Aragon.
The historian Paolo Giovio was this man's personal physician and confidant for fifteen years.
Pope {Clement VII} (or {Giulio de Medici)}