Santa Maria in Domnica
He participated in the papal conclave of 1534 that elected Pope Paul III. On January 9, 1545, he opted for the deaconry of Santi Vito, Modesto e Crescenzia. He participated in the papal conclave of 1549-50 that elected Pope Julius III. On February 28, 1550, he opted for the deaconry of Santa Maria in Domnica and on June 27, 1550 for the deaconry of Santa Maria in Via Lata. At this time, he became cardinal protodeacon. On November 20, 1551, he opted for the order of cardinal priests and his deaconry was raised "pro illa vice" to "titulus".