He was also a patron of the arts, employing artists such as Botticelli, Michelangelo and Leonardo Da Vinci, and he expanded on the library that his grandfather Cosimo the elder originally started.In 1475 Lorenzo had a son, Giovanni de??? Medici, who later became Pope Leo X.Guiliano de' Medici as portaied by Sandro BotticelliLorenzo was more successful in diplomacy then banking.