Pope Leo X, born Giovanni di Lorenzo de' Medici, was pope from 9 March 1513 to his death in 1521. Born into the prominent political and banking Medici family of Florence, Giovanni was the second son of Lorenzo de' Medici, ruler of the Florentine Republic, and was elevated to the cardinalate in 1489, more info here https://en.wikipedia.org/wiki/Pope_Leo_X