Remarks:
He derived his name from the hamlet of Varenne, Seine-Inferieure, on the little river Varenne in Normandy. His parentage is unknown. He is said to have held land outside the walls of Rouen under Robert I, duke of Normandy. He also held land on both banks of the Seine upstream from Rouen. He held land at Vascoeuil, Eure, which he gave about 1053 to the abbey of St. Pierre de Preaux.