In 1576, at age 8, he was sent to Florence along with his younger brother, Rodolfo, to serve at the court of the Grand Duke Francesco I de' Medici and to receive further education.
Godine 1576., u dobi od 8 godina, bio je poslan u Firencu, zajedno sa svojim mlađim bratem, Rodolfom, služiti na sudu velikog vojvode Francesca I de Medicia i nastaviti daljnje školovanje.