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
Charles William, Prince of Nassau-Usingen Charles William, Prince of Nassau-Usingen Charles William (9 November 1735 in Usingen – 17 May 1803) was Prince of Nassau-Usingen from 1775 until his death. From 1797 until his death, he was also titular Prince of Nassau-Saarbrücken, however, Nassau-Saarbrücken was occupied by France during that period. He was the eldest son of Prince Charles of Nassau-Usingen and his wife, Christina Wilhelmina, the daughter of Duke John William III of Saxe-Eisenach. In 1770, Charles William became Lieutenant-General in the Dutch army. In 1789, he was promoted to general and in 1790 to colonel of the Walloon regiment and captain of the