Nielsen Hayden genealogy
Ancestors of Isabel le Bigod
┌── Roger I le Bigod (Abt 1045 - 8 Sep 1107 Earsham, Norfolk, England)
┌── 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)
│ │ ┌── Robert de Tosny ( - Abt 1093 bur.Belvoir Priory, Belvoir, Leicestershire, England) =>
│ └── Adeliza de Tosny ( - Aft 1136)
│ └── Adelaise ( - Bef 1093 bur.Belvoir Priory, Belvoir, Leicestershire, England)
│
┌── Roger II le Bigod (Bef 1140 Thetford, Norfolk, England - Bef 2 Aug 1221)(m. Abt 25 Dec 1181)
│ │
│ │ ┌── Aubrey de Vere (of Vair, Ancenis, Loire-Atlantique, France -
│ │ │ 1112 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
│ │ │ 1112 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
│ │ ┌── Aubrey de Vere (Bef 1090 of Hedingham, Essex, England - 15 May 1141 London, England)
│ │ │ (m. Bef 1106)
│ │ │ └── Beatrice ( - ?? bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
│ │ │
│ └── Juliana de Vere ( - Aft 1185)
│ │
│ │ ┌── Gilbert fitz Richard de Clare (Abt 1060 - 1117) =>
│ └── Alice de Clare ( - 1163 St. Osyth Priory, Essex, England)(m. Bef 1106)
│ └── Alice de Clermont (of Clermont, Oise, Picardie, France - Aft 1136) =>
│
┌── Hugh II le Bigod ( - Between 11 Feb 1225 and 18 Feb 1225)(m. 1207)
│ │
│ │ ┌── Ralph de Tony (Abt 1081 -
│ │ │ 1126 bur.Châtillon-les-Conches Abbey, Eure, Normandy, France)(m. 1103) =>
│ │ │ 1126 bur.Châtillon-les-Conches Abbey, Eure, Normandy, France)(m. 1103) =>
│ │ ┌── Roger de Tony (Abt 1104 of Flamstead, Hertfordshire, England - Aft 29 Sep 1158)
│ │ │ (m. Abt 9 Aug 1138)
│ │ │ └── Alice of Northumberland ( - Aft 1126)(m. 1103) =>
│ │ │
│ │ ┌── Ralph de Tony (Abt 1140 of Flamstead, Hertfordshire, England - 1162)(m. Aft 1155)
│ │ │ │
│ │ │ │ ┌── Baldwin III of Hainaut (1088 - 1120)(m. Abt 1107) =>
│ │ │ └── Ida de Hainaut (m. Abt 9 Aug 1138)
│ │ │ └── Yolande von Wassenberg (Abt 1090 of Guelders, Netherlands - 1155)(m. Abt 1107) =>
│ │ │
│ └── Ida de Tony (m. Abt 25 Dec 1181)
│ │
│ │ ┌── Robert of Meulan (Abt 1046 Beaumont-le-Roger, Eure, Normandy, France -
│ │ │ 5 Jun 1118 bur.Abbey St. Pierre, Preaux, Eure, Normandy, France)(m. 1096) =>
│ │ │ 5 Jun 1118 bur.Abbey St. Pierre, Preaux, Eure, Normandy, France)(m. 1096) =>
│ │ ┌── Robert of Meulan (1104 Meulan, Île-de-France, France - 5 Apr 1168 bur.Leicester Abbey,
│ │ │ Leicester, Leicestershire, England)(m. Aft Nov 1120)
│ │ │ Leicester, Leicestershire, England)(m. Aft Nov 1120)
│ │ │ └── Isabel de Vermandois ( - Bef Jun 1147)(m. 1096) =>
│ │ │
│ └── Margaret of Leicester (Abt 1125 - Aft 1185)(m. Aft 1155)
│ │
│ │ ┌── Ralph II de Gael (of Montfort de Gael, Brittany, France - ??) =>
│ └── Amice de Gael ( - ?? Nuneaton, Warwickshire, England)(m. Aft Nov 1120)
│
│
│ ┌── Gilbert ( - Abt 1130)
│ ┌── 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)
│ │ │
│ │ │ ┌── Edward of Salisbury (Bef 1060 of Chitterne, Warminster, Wiltshire, England -
│ │ │ │ Aft 1086)
│ │ │ │ Aft 1086)
│ │ │ ┌── Walter of Salisbury (of Chitterne, Warminster, Wiltshire, England -
│ │ │ │ Aft 1142 bur.Bradenstoke Priory, Wiltshire, England)
│ │ │ │ Aft 1142 bur.Bradenstoke Priory, Wiltshire, England)
│ │ └── Sybil de Salisbury
│ │ │
│ │ │ ┌── Patrick I de Chaources (of Kempsford, Gloucestershire, England - Aft 1133)
│ │ └── Sybil de Chaworth ( - Bef 1147 Bradenstoke Priory, Wiltshire, England)
│ │ └── Maud de Hesdin ( - Aft 1133) =>
│ │
└── Maud Marshal, Marshal Of England (1192 - 27 Mar 1248 bur.Tintern Abbey, Monmouthshire, Wales)(m. 1207)
│
│ ┌── Gilbert fitz Richard de Clare (Abt 1060 - 1117) =>
│ ┌── Gilbert "Strongbow" fitz Gilbert (Abt 1100 -
│ │ 6 Jan 1148 bur.Tintern Abbey, Monmouthshire, Wales)
│ │ 6 Jan 1148 bur.Tintern Abbey, Monmouthshire, Wales)
│ │ └── Alice de Clermont (of Clermont, Oise, Picardie, France - Aft 1136) =>
│ │
│ ┌── Richard "Strongbow" fitz Gilbert (Abt 1130 - Abt 20 Apr 1176 Dublin, Ireland)
│ │ (m. Abt 26 Aug 1170 Waterford, Munster, Ireland)
│ │ │
│ │ │ ┌── Robert of Meulan (Abt 1046 Beaumont-le-Roger, Eure, Normandy, France -
│ │ │ │ 5 Jun 1118 bur.Abbey St. Pierre, Preaux, Eure, Normandy, France)(m. 1096) =>
│ │ │ │ 5 Jun 1118 bur.Abbey St. Pierre, Preaux, Eure, Normandy, France)(m. 1096) =>
│ │ └── Isabel de Beaumont ( - Aft 1172)
│ │ └── Isabel de Vermandois ( - Bef Jun 1147)(m. 1096) =>
│ │
└── Isabel de Clare (1173 - 7 Mar 1220 bur.Tintern Abbey, Monmouthshire, Wales)
(m. Aug 1189 London, England)
│
│ ┌── Donnchad mac Murchada, King of Leinster and Dublin ( - 1115) =>
│ ┌── Diarmait mac Murchada, King of Leinster (Abt 1110 Leinster, Ireland - 1 Jan 1171)
│ │ └── Orlaith ingen Ua Braenain =>
│ │
└── Eve of Leinster (Abt 1145 - Aft 1185 bur.Tintern Abbey, Monmouthshire, Wales)
(m. Abt 26 Aug 1170 Waterford, Munster, Ireland)
│
│ ┌── Muirchertach Ua Tuathail, King of the Uí Muirdeaigh ( - 1164) =>
└── Mor ni Tuathail (Abt 1114 Castledermot, Kildare, Ireland - 1191 Ireland)