William de Warenne, 1st Earl of Surrey, Norman aristocrat
William de Warenne, 1st Earl of Surrey, Lord of Lewes, Seigneur de Varennes (died 1088), was a Norman nobleman created Earl of Surrey under William II Rufus. He is among the few known from documents to have fought under William the Conqueror at the Battle of Hastings in 1066. At the time of the Domesday Survey in 1086, he held extensive lands in 13 counties, including the Rape of Lewes, a tract now divided between the ceremonial counties of East Sussex and West Sussex.