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.
Laws of William the Conqueror violated then they shall pay a fine to William. Laws of William the Conqueror William the Conqueror, the first Norman King of England who reigned from 1066 until his death in 1087, created 10 laws for the English people to abide by after the Battle of Hastings. The first law stated that "First that above all things he wishes one God to be revered throughout his whole realm, one faith in Christ to be kept ever inviolate, and peace and security to be preserved between English and Normans." The second law stated that every freeman shall make an oath that