Nielsen Hayden genealogy
Ancestors of Isabel le Bigod
┌── Hugh I le Bigod (Abt 1095 of Earsham, Norfolk, England -
│ Bef 9 Mar 1177 bur.Thetford Priory, Norfolk, England) =>
│ Bef 9 Mar 1177 bur.Thetford Priory, Norfolk, England) =>
┌── Roger II le Bigod (Bef 1140 Thetford, Norfolk, England - Bef 2 Aug 1221)(m. Abt 25 Dec 1181)
│ └── Juliana de Vere ( - Aft 1185) =>
│
┌── Hugh II le Bigod ( - Between 11 Feb 1225 and 18 Feb 1225)(m. 1207)
│ │
│ │ ┌── Ralph de Tony (Abt 1140 of Flamstead, Hertfordshire, England - 1162)(m. Aft 1155) =>
│ └── Ida de Tony (m. Abt 25 Dec 1181)
│ └── Margaret of Leicester (Abt 1125 - Aft 1185)(m. Aft 1155) =>
│
│
│ ┌── John fitz Gilbert (Bef 1109 of Cherhill, Wiltshire, England - Bef 29 Sep 1165) =>
│ ┌── William Marshal (Abt 1146 - 14 May 1219 Caversham, Oxfordshire, England)
│ │ (m. Aug 1189 London, England)
│ │ └── Sybil de Salisbury =>
│ │
└── Maud Marshal, Marshal Of England (1192 - 27 Mar 1248 bur.Tintern Abbey, Monmouthshire, Wales)(m. 1207)
│
│ ┌── Richard "Strongbow" fitz Gilbert (Abt 1130 - Abt 20 Apr 1176 Dublin, Ireland)
│ │ (m. Abt 26 Aug 1170 Waterford, Munster, Ireland) =>
└── Isabel de Clare (1173 - 7 Mar 1220 bur.Tintern Abbey, Monmouthshire, Wales)
(m. Aug 1189 London, England)
└── Eve of Leinster (Abt 1145 - Aft 1185 bur.Tintern Abbey, Monmouthshire, Wales)
(m. Abt 26 Aug 1170 Waterford, Munster, Ireland) =>