Nielsen Hayden genealogy
Descendants of Osbern de Bolbec
Osbern de Bolbec
(of Longueville-sur-Scie, Seine-Inferieure, Normandy, France - ??)
   ├─ Godfrey de Bolbec
   │ (Unknown) d'Arques
   │    └─ William d'Arques (of Arques-la-Bataille, France - Aft 1086)
   │     Beatrice Malet
   │        │ + William de Tancarville ( - 1129)
   │         + Nigel de Munville (of Fleet, Wingham, Kent, England - 1103)
   │         + Manasses ( - 1139)
   ├─ Osbert Giffard (Brimpsfield, Cirencester, Gloucestershire, England - Bef 1086)
   │
   │    └─ Elias I Giffard (Bef 1075 of Brimpsfield, Cirencester, Gloucestershire, England - Bef 1130)
   │     Ala
   │        └─ Elias II Giffard (of Brimpsfield, Cirencester, Gloucestershire, England - 1159) =>
   │         + Bertha de Clifford (of Clifford, Herefordshire, England - Aft 1167)
   └─ Walter Giffard
   
       └─ Walter Giffard ( - Aft 1066)
        Agnes Flaitel
           │ + Richard fitz Gilbert (Abt 1033 of Bienfaite and Orbec, Normandy, France -
           │ Bef Apr 1088 bur.St Neots, Huntingdonshire, England)
           │ Bef Apr 1088 bur.St Neots, Huntingdonshire, England)
           └─ Walter Giffard (Abt 1015 - 15 Jul 1102 bur.Longueville-sur-Scie, Normandy, France)
            + Agnes de Ribemont ( - Bef 1108)