William de Warenne, 1st Earl of Surrey

William de Warenne, 1st Earl of Surrey, Lord of Lewes, Seigneur de Varennes, was a Norman nobleman created Earl of Surrey by 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 Domesday Book 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.