William the Conqueror eldest son. William was the son of the unmarried Robert I, Duke of Normandy, by Robert's mistress Herleva. His illegitimate status and his youth caused some difficulties for him after he succeeded his father, as did the anarchy that plagued the first years of his rule. During his childhood and adolescence, members of the Norman aristocracy battled each other, both for control of the child duke and for their own ends. In 1047 William was able to quash a rebellion and begin to establish his authority over the duchy, a process that was not complete until about 1060. His marriage
William FitzRoy, 3rd Duke of Cleveland and Common Pleas, and Comptroller of the Seal and Green Wax Offices. The dukedom became extinct upon his death; however, it was recreated for his grand-nephew William Vane, 1st Duke of Cleveland. William FitzRoy, 3rd Duke of Cleveland William FitzRoy, 3rd Duke of Cleveland, 2nd Duke of Southampton (19 February 1698 – 18 May 1774) was an English nobleman, styled Earl of Chichester from birth until 1730. In 1730, he succeeded his father Charles as Duke of Southampton, Duke of Cleveland and Chief Butler of England. In 1731, he married Lady Henrietta Finch, the daughter of Daniel Finch, 2nd Earl