Henry I of France whose death Henry was left to deal with his rebel sibling. In 1032, he placated his brother by giving him the duchy of Burgundy which his father had given him in 1016. In an early strategic move, Henry came to the rescue of his very young nephew-in-law, the newly appointed Duke William of Normandy (who would go on to become William the Conqueror), to suppress a revolt by William's vassals. In 1047, Henry secured the dukedom for William in their decisive victory over the vassals at the Battle of Val-ès-Dunes near Caen; however, Henry would later support the barons against
Conrad II, Duke of Carinthia Conrad II, Duke of Carinthia Conrad II ( – 20 July 1039), called the Younger (), a member of the Salian dynasty, was Duke of Carinthia and Margrave of Verona from 1035 until his death. Named after his great-grandfather, Conrad was probably born on 12 July 990. At the time, his family had not yet started calling themselves the "Salians". Conrad's parents were Duke Conrad I of Carinthia and his consort Matilda, a daughter of the Conradine duke Herman II of Swabia. His father died in 1011, when Conrad the Younger was still a minor, and King Henry II vested