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
Engelbert, Duke of Carinthia Engelbert, Duke of Carinthia Engelbert II (died 13 April 1141), a member of the House of Sponheim, was Margrave of Istria and Carniola from about 1103/07 until 1124. In 1123, he succeeded his elder brother Henry as Duke of Carinthia and Margrave of Verona which he held until his retirement in 1135. Engelbert II was the son of Count Engelbert I of Sponheim (d. 1096) and his wife Hedwig of uncertain descent, maybe a daughter of the Billung duke Bernard II of Saxony. His grandfather Count Siegfried I of Sponheim (d. 1065) came to Carinthia about 1035 as an attendant