Clement VII pope of the Catholic Church from 1523 to 1534 (1478–1534) (1478–1534) Parents Fioretta Gorini Giuliano de' Medici Lorenzo de' Medici Antonia Gorini Children Alessandro de' Medici Siblings Leo X Maddalena de' Medici Contessina de' Medici Piero the Unfortunate Lucrezia de' Medici Giuliano de' Medici, Duke of Nemours Luisa de' Medici