Nielsen Hayden genealogy
Ancestors of James de Bohun
1281 - Bef 1306 (< 25 years)
┌── Frank fitz Gelduin 
(of Midhurst, Sussex, England - ??)
(of Midhurst, Sussex, England - ??) ┌── Savary de Bohun (of Midhurst, Sussex, England - Aft 1247)
(of Midhurst, Sussex, England - Aft 1247) │ └── Rohese
│
┌── Frank de Bohun (of Midhurst, Sussex, England - 14 Sep 1273)(m. Bef 21 Sep 1247)
(of Midhurst, Sussex, England - 14 Sep 1273)(m. Bef 21 Sep 1247) │ │
│ │ ┌── Peter de Ludgershall (of Cherhill, Wiltshire, England -
│ │ │ Bef 1165 Winchester, Hampshire, England)
(of Cherhill, Wiltshire, England -│ │ │ Bef 1165 Winchester, Hampshire, England)
│ │ ┌── Geoffrey fitz Peter (of Pleshy, Essex, England -
│ │ │ 14 Oct 1213 bur.Shouldham Priory, Norfolk, England)(m. Bef 29 May 1205)
(of Pleshy, Essex, England -│ │ │ 14 Oct 1213 bur.Shouldham Priory, Norfolk, England)(m. Bef 29 May 1205)
│ │ │ └── Maud
│ │ │
│ └── Cecily fitz Geoffrey
│ │
│ │ ┌── Roger de Clare (1116 Tunbridge Castle, Kent, England -
│ │ │ 1173 bur.Stoke by Clare Priory, Suffolk, England) =>
(1116 Tunbridge Castle, Kent, England -│ │ │ 1173 bur.Stoke by Clare Priory, Suffolk, England) =>
│ └── Aveline de Clare (Abt 1172 - Bef 4 Jun 1225)(m. Bef 29 May 1205)
(Abt 1172 - Bef 4 Jun 1225)(m. Bef 29 May 1205) │ └── Maud de St. Hilary (of Field Dalling, Norfolk, England -
│ 24 Dec 1193 bur.Priory of Great Carbrooke, Norfolk, England) =>
(of Field Dalling, Norfolk, England -│ 24 Dec 1193 bur.Priory of Great Carbrooke, Norfolk, England) =>
│
┌── John de Bohun (of Midhurst, Sussex, England - 28 Sep 1284)(m. Bef 1275)
(of Midhurst, Sussex, England - 28 Sep 1284)(m. Bef 1275) │ │
│ │ ┌── William de Ferrers ( - Bef 21 Oct 1190 Acre, Palestine) =>
( - Bef 21 Oct 1190 Acre, Palestine) => │ │ ┌── William de Ferrers ( - 22 Sep 1247)(m. 1192)
( - 22 Sep 1247)(m. 1192) │ │ │ └── (Unknown wife of William de Ferrers) ( - Aft 5 Feb 1228)
( - Aft 5 Feb 1228) │ │ │
│ │ ┌── William de Ferrers (Abt 1193 of Tutbury, Burton-on-Trent, Staffordshire, England -
│ │ │ 24 Mar 1254 Evington, Leicestershire, England)(m. Bef 14 May 1219)
(Abt 1193 of Tutbury, Burton-on-Trent, Staffordshire, England -│ │ │ 24 Mar 1254 Evington, Leicestershire, England)(m. Bef 14 May 1219)
│ │ │ │
│ │ │ │ ┌── Hugh of Chester (Abt 1141 - 30 Jun 1181 Leek, Staffordshire, England)(m. 1169) =>
(Abt 1141 - 30 Jun 1181 Leek, Staffordshire, England)(m. 1169) => │ │ │ └── Agnes of Chester ( - 2 Nov 1247)(m. 1192)
( - 2 Nov 1247)(m. 1192) │ │ │ └── Bertrade de Montfort (Abt 1155 - Aft 31 Mar 1227)(m. 1169) =>
(Abt 1155 - Aft 31 Mar 1227)(m. 1169) => │ │ │
│ └── Sibyl de Ferrers ( - Bef 1260)(m. Bef 21 Sep 1247)
( - Bef 1260)(m. Bef 21 Sep 1247) │ │
│ │ ┌── John fitz Gilbert (Bef 1109 of Cherhill, Wiltshire, England - Bef 29 Sep 1165) =>
(Bef 1109 of Cherhill, Wiltshire, England - Bef 29 Sep 1165) => │ │ ┌── William Marshal (Abt 1146 - 14 May 1219 Caversham, Oxfordshire, England)
(Abt 1146 - 14 May 1219 Caversham, Oxfordshire, England) │ │ │ (m. Aug 1189 London, England)
│ │ │ └── Sybil de Salisbury =>
=> │ │ │
│ └── Sybil Marshal (Abt 1204 - Bef 1238)(m. Bef 14 May 1219)
(Abt 1204 - Bef 1238)(m. Bef 14 May 1219) │ │
│ │ ┌── Richard "Strongbow" fitz Gilbert (Abt 1130 - Abt 20 Apr 1176 Dublin, Ireland)
(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)
(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)
(Abt 1145 - Aft 1185 bur.Tintern Abbey, Monmouthshire, Wales) │ (m. Abt 26 Aug 1170 Waterford, Munster, Ireland) =>
│
James de Bohun (3 Feb 1281 Ford, Sussex, England - Bef 30 May 1306)
│
│ ┌── Bartholomew de la Chapelle (of Waltham, Lincolnshire, England - ??)
(of Waltham, Lincolnshire, England - ??) └── Joan de la Chapelle (Abt 1256 - Bef 23 Mar 1328)(m. Bef 1275)
(Abt 1256 - Bef 23 Mar 1328)(m. Bef 1275) └── Nichole