Santa Maria in Domnica
His father prevailed on his relative Innocent VIII to name him cardinal-deacon of Santa Maria in Domnica on 8 March 1488 when he was age 13, although he was not allowed to wear the insignia or share in the deliberations of the college until three years later. Meanwhile, he received an education at Lorenzo's humanistic court under such men as Angelo Poliziano, Pico della Mirandola, Marsilio Ficino and Bernardo Dovizio Bibbiena. From 1489 to 1491 he studied theology and canon law at Pisa.