 Complete the following phrase:  In 1532, Pope Clement VII, who was born Giulio di Giuliano de Medici, appointed Alessandro de Medici as duke over the Republic of Florence, the Medici family having acted as de facto rulers over the city of Florence since 1434 when Cosimo the Elder de Medici also known by his supporters as Pater Patriae, or Father of the Country, returned to the city from his short-lived exile in the Republic of Venice by the Alberti and Strozzi families who were also political rivals of the Medici family. The duchy would bolster Medici power and influence in the region, which had just a few years prior been restored by Emperor Charles V after 