Nielsen Hayden genealogy
Descendants of Gilbert I de Gant
Abt 1034 - Abt 1095 (~ 61 years)Father: Ralph de Gand ( - Between 1052 and 1056)
Mother: Gisela of Luxembourg ( - Aft 1058 bur.Chapel of St. Lawrence, Ghent, Flanders)
Gilbert I de Gant (Abt 1034 of Folkingham, Bourne, Lincolnshire, England - Abt 1095 bur.Bardney Abbey, Yorkshire, England)
   ├─ Walter de Gant (of Folkingham, Bourne, Lincolnshire, England - 1139 Bardney Abbey, Yorkshire, England)
   │ Maud of Brittany (m. Bef 1120)
   │    ├─ Agnes de Gant
   │    │ William de Mohun (Bef 1110 of Dunster, Williton, Somerset, England - Aft 1142)
   │    │    └─ William de Mohun (of Dunster, Williton, Somerset, England - 1176) =>
   │    │     + Godehilde de Tony ( - Bef 1186)
   │    ├─ Alice de Gant
   │    │ Roger de Mowbray ( - 1188 Palestine)(m. Abt 1145)
   │    │    └─ Nele de Mowbray (of Thirsk, Yorkshire, England - 1191 Acre, Palestine) =>
   │    │     + Mabel ( - Abt 1203)(m. Bef Sep 1170)
   │    ├─ (Unknown daughter of Walter de Gant)
   │    │ William ( - Bef 1198)
   │    │     + Maud ( - Aft 29 Sep 1206)
   │    └─ Robert de Gant (of Folkingham, Bourne, Lincolnshire, England -
   │     1191 bur.Vaudey Abbey, Lincolnshire, England)
   │     1191 bur.Vaudey Abbey, Lincolnshire, England)
   │     Gunnor d'Aubeney
   │     :   └─ Gilbert de Gant (Abt 1180 of Folkingham, Bourne, Lincolnshire, England - Bef 22 Jan 1242) =>
   │     :    +
   │     + Alice Paynell ( - Bef 1180)(m. Bef 10 Aug 1152)
   └─ Emma de Gant ( - Aft 1140)
    Alan de Percy (of Topcliffe, Yorkshire, England - Bef Dec 1135 bur.Whitby, Yorkshire, England)
       └─ William de Percy (of Topcliffe, Yorkshire, England -
        Between 1174 and 1175 bur.Fountain Abbey, Yorkshire, England)
        Between 1174 and 1175 bur.Fountain Abbey, Yorkshire, England)
        Adelis de Tunbridge ( - Aft 1138)(m. Bef 1136)
        :   └─ Agnes de Percy ( - Bef 13 Oct 1204 bur.Whitby, Yorkshire, England) =>
        :    + Joscelin of Louvain (of Petworth, Sussex, England - 1180)(m. Between 1154 and 1161)
        + Sybil de Valognes ( - Aft 1212 bur.Nun Appleton Priory, Yorkshire, England)(m. Between 1164 and 1166)