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
Frederick William, Grand Duke of Mecklenburg-Strelitz first cousin, Princess Augusta of Cambridge, a member of the British Royal Family and a granddaughter of King George III. The two were also second cousins on their fathers' side. They had two sons: Friedrich Wilhelm and his wife Augusta celebrated their diamond wedding anniversary by distributing 25 Pfennig from the public treasury to every citizen of the grand duchy. Frederick William, Grand Duke of Mecklenburg-Strelitz Frederick William (17 October 1819 – 30 May 1904) was a German sovereign who ruled over the state of Mecklenburg-Strelitz as Grand Duke from 1860 until his death. He was born in Neustrelitz, the