Alan IV, Duke of Brittany of William the Bastard, Duke of Normandy (later to become known as William the Conqueror) support of rebels in Brittany against Alan's maternal uncle, Conan II. Conan II died in late 1066 during a campaign in Anjou, and was succeeded by Alan's parents, Conan's sister Hawise and her husband Hoel II. Hoel ruled as regent from Hawise's death in 1072 until Alan reached his majority in 1084. To prevent further hostilities during his invasion of England, William I married his daughter Constance to the new duke Alan in 1087. The marriage ceremonies may have taken place in Bayeux in Normandy.
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