Ermentrude de Clermont 1
- Born: Abt 1066, <Clermont-en-Beauvaisis (Clermont), (Oise), Picardy, France>
- Marriage (1): Hugh d'Avranches 1st Earl of Chester
Noted events in her life were:
• Countess of Chester.
Ermentrude married Hugh d'Avranches 1st Earl of Chester, son of Richard le Goz Viscomte d'Avranches and Emma de Conteville. (Hugh d'Avranches 1st Earl of Chester was born about 1047 in Avranches, (Manche), Normandy, France, died on 27 Jul 1101 and was buried in Chapter House of Chester Cathedral, Chester, Cheshire, England.)