Ferdinand I. (1503‒1564)

Ferdinand I., emperor of Germany (1556-64), born at Alcalá, in Spain, son of Philip I., married Anna, a Bohemian princess, in 1521; was elected king of the Romans (1531), added Bohemia and Hungary to his domains (1503‒1564).

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)