Francis I, Holy Roman Emperor
In 1737, on the death of Gian Gastone de' Medici, the last Medici ruler of Tuscany, Cafaggiolo came into the possession of the Medici's successors, the house of House of Habsburg-Lorraine, in the person of Francis I, Holy Roman Emperor. As the consort of the future Empress Maria Theresa of Austria, he seldom visited Tuscany, remaining in Vienna