Charles V

Son of Philip I the Handsome, king of Castile, and Joan the Mad. Holy Roman emperor, king of Spain (as Charles I, and archduke of Austria (as Charles I); he inherited a Spanish and Habsburg empire extending across Europe, the Kingdom of Naples, and overseas to Spanish America. He struggled to hold his empire together against the growing forces of Protestantism, increasing Turkish and French pressure, and hostility from the Papal State.

From [http://www.getty.edu/vow/ULANFullDisplay?find=charles+v&role=&nation=&prev_page=1&subjectid=500231828]