Nielsen Hayden genealogy
Descendants of (Unknown sister of Grimald de Plessis)
(Unknown sister of Grimald de Plessis)
William d'Aubigny (of St. Martin d'Aubigny, Manche, Normandy, France - ??)(m. Bef 1048)
   └─ Roger d'Aubigny (1052 St. Martin d'Aubigny, Manche, Normandy, France - Aft 1083)
    Amice
       ├─ William d'Aubigny (of Buckenham, Norfolk, England - 1139 bur.Wymondham Priory, Norfolk, England)
       │ Maud le Bigod ( - Bef 1139 bur.Wymondham Priory, Norfolk, England)
       │    └─ William d'Aubigny (of Buckenham, Norfolk, England - 4 Oct 1176 Waverley Abbey, Surrey, England) =>
       │     + Alice of Louvain, Queen Consort of England (Abt 1103 -
       │     25 Mar 1151 Afflighem Abbey, Brabant, Belgium)(m. Between Dec 1136 and Aug 1139)
       │     25 Mar 1151 Afflighem Abbey, Brabant, Belgium)(m. Between Dec 1136 and Aug 1139)
       └─ Nele d'Aubigny ( - Nov 1129)
        + Maud de l'Aigle ( - Aft 1129)(m. Aft 1107)
        Gundred de Gournay ( - Aft Oct 1155)(m. Jun 1118)
            + Alice de Gant (m. Abt 1145)