 Helias, an important Baron in Upper Normandy who held the fortress-stronghold of Saint-Saens.In 1090 he supported William Rufus against his brother Duke Robert of Normandy and led the attack on Rouen.Within a year Duke Robert gave him an illegitimate daughter in marriage, whose "maritagium" included the county of Arques along with the lordship of Bures-en-Bray.