Nielsen Hayden genealogy
Ancestors of William de Mohun
- 1176 ┌── William de Mohun (Bef 1110 of Dunster, Williton, Somerset, England - Aft 1142)
William de Mohun (of Dunster, Williton, Somerset, England - 1176)
│ ┌── Ralph de Gand ( - Between 1052 and 1056)
│ ┌── Gilbert I de Gant (Abt 1034 of Folkingham, Bourne, Lincolnshire, England -
│ │ Abt 1095 bur.Bardney Abbey, Yorkshire, England)
│ │ Abt 1095 bur.Bardney Abbey, Yorkshire, England)
│ │ │ ┌── Frederick I of Luxembourg (965 - 6 Oct 1019)(m. Bef 995) =>
│ │ └── Gisela of Luxembourg ( - Aft 1058 bur.Chapel of St. Lawrence, Ghent, Flanders)
│ │ └── (Unknown daughter of Heribert I) (m. Bef 995) =>
│ │
│ ┌── Walter de Gant (of Folkingham, Bourne, Lincolnshire, England -
│ │ 1139 Bardney Abbey, Yorkshire, England)(m. Bef 1120)
│ │ 1139 Bardney Abbey, Yorkshire, England)(m. Bef 1120)
│ │ │
│ │ │ ┌── Hugh de Montfort
│ │ └── Alice de Montfort
│ │ └── Alice de Beaufort
│ │
└── Agnes de Gant
│
│ ┌── Geoffroi I of Brittany (Abt 980 - 20 Nov 1008)(m. Between 996 and 999) =>
│ ┌── Eudon of Brittany (999 - 7 Jan 1079)
│ │ └── Hawise of Normandy ( - 21 Feb 1034)(m. Between 996 and 999) =>
│ │
│ ┌── Stephen of Brittany ( - 21 Apr 1135 bur.St. Mary's, York, Yorkshire, England)
│ │ └── Orguen ( - Aft 1056)
│ │
└── Maud of Brittany (m. Bef 1120)
└── Hawise ( - Aft 1135)