Leo X pope from 1513 to 1521 (1475-1521) (1475–1521) Parents Clarice Orsini Lorenzo de' Medici Children Siblings Maddalena de' Medici Contessina de' Medici Piero the Unfortunate Lucrezia de' Medici Giuliano de' Medici, Duke of Nemours Luisa de' Medici Clement VII