Richilde of Hainaut Countess of Hainaut (c.1018–1086) (1100–1086) Parents Roger de Valenciennes Children Gilbert de Gant Gertrude de Hainault Arnulf III, Count of Flanders Roger of Hainaut Agnes de Flandre Baldwin II, Count of Hainaut Partners Herman of Mons, Count of Hainaut Baldwin VI, Count of Flanders William FitzOsbern, 1st Earl of Hereford
