King of Castile (1035–1065) and León (1037–1065) who reconquered much of present-day Portugal from the Moors.
Holy Roman emperor (1558–1564) and king of Bohemia (1526–1564). He fought against Suleiman the Magnificent (1529–1533) and later ended the religious wars in Germany by negotiating the Peace of Augsburg (1555).
(1397-1479), king of Aragon, son of Ferdinand I.
Among the most noteworthy examples of such attempts maybe mentioned the revolt of the barons against Ferdinand I.
After Galeazzo Marias assassination, his crown passed to a boy, Gian Galeazzo, who was in due course married to a grand-daughter of Ferdinand I.
He received them back in their entirety at the hands of the powers, who recognized his new title of Ferdinand I.