 Ferdinand I, Holy Roman Emperor

Ferdinand I () (10 March 1503 – 25 July 1564) was Holy Roman Emperor from 1556, king of Bohemia and Royal Hungary from 1526, and king of Croatia from 1527 until his death in 1564.Before his accession, he ruled the Austrian hereditary lands of the Habsburgs in the name of his elder brother, Charles V, Holy Roman Emperor.