Nielsen Hayden genealogy
Descendants of Ermentrude de Clermont
Father: Hugues (Abt 1030 - 1101)
Mother: Marguerite de Montdidier (Abt 1050 of Montdidier, Somme, Picardy, France - Bef 1101)
Ermentrude de Clermont
Hugh "Lupus" d'Avranches (Abt 1047 - 27 Jul 1101 Abbey of St. Werburg, Chester, Cheshire, England)
   └─ Geva of Chester (of Chester, Cheshire, England - Aft 1120)
    Geoffrey I Ridel ( - 25 Nov 1120 At sea, off Barfleur, Normandy, France)
       └─ Maud Ridel (of Drayton, Staffordshire, England - ??)
        Richard Basset ( - Between 16 Sep 1144 and 29 May 1147 bur.Abingdon Abbey, Berkshire, England)
        (m. Between Nov 1120 and Apr 1123)
        (m. Between Nov 1120 and Apr 1123)
           ├─ Ralph Basset (of Drayton Basset, Staffordshire, England - 1160) =>
           │ +
           └─ Sybil Basset (Abt 1135 of Drayton Basset, Staffordshire, England - ??) =>
            + Robert de Cauz ( - Bef 1167)