Nielsen Hayden genealogy
Ancestors of William de Mohun
Abt 1156 - 1193 (~ 37 years) ┌── 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)
│ │ │ └── Gisela of Luxembourg ( - Aft 1058 bur.Chapel of St. Lawrence, Ghent, Flanders) =>
│ │ │
│ │ ┌── 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
│ │
│ │ ┌── Eudon of Brittany (999 - 7 Jan 1079) =>
│ │ ┌── 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)
│
William de Mohun (Abt 1156 of Dunster, Williton, Somerset, England - Oct 1193)
│
│ ┌── Roger I de Tosny (Between 985 and 995 - Between 1038 and 1043 bur.Abbey of St.
│ │ Pierre de Castillon, Conches-en-Ouche, Eure, France)(m. Bef Aug 1027) =>
│ │ Pierre de Castillon, Conches-en-Ouche, Eure, France)(m. Bef Aug 1027) =>
│ ┌── Radulf III de Tosny (Abt 1030 - 24 Mar 1102 bur.Abbey of St. Pierre de Castillon,
│ │ Conches-en-Ouche, Eure, France)(m. Between 1068 and 1070)
│ │ Conches-en-Ouche, Eure, France)(m. Between 1068 and 1070)
│ │ └── Godehildis (m. Bef Aug 1027)
│ │
│ ┌── Ralph de Tony (Abt 1081 - 1126 bur.Châtillon-les-Conches Abbey, Eure, Normandy, France)
│ │ (m. 1103)
│ │ │
│ │ │ ┌── Simon I de Montfort l'Aumary ( - Abt 1087 bur.Priory of Saint-Thomas d'Epernon,
│ │ │ │ Epernon, Eure-et-Loir, Centre, France) =>
│ │ │ │ Epernon, Eure-et-Loir, Centre, France) =>
│ │ └── Isabel de Montfort ( - Aft 1123 Haute-Bruyere Priory, near Rambouillet, Yvelines, Île-de-
│ │ France, France)(m. Between 1068 and 1070)
│ │ France, France)(m. Between 1068 and 1070)
│ │ └── Isabel Bardoul =>
│ │
│ ┌── Roger de Tony (Abt 1104 of Flamstead, Hertfordshire, England - Aft 29 Sep 1158)(m. Abt 9 Aug 1138)
│ │ │
│ │ │ ┌── Siward (of Denmark - 1055 York, Yorkshire, England)
│ │ │ ┌── Waltheof (1027 of Potton, Bedfordshire, England -
│ │ │ │ 31 May 1076 Winchester, Hampshire, England)(m. Aft Jan 1070)
│ │ │ │ 31 May 1076 Winchester, Hampshire, England)(m. Aft Jan 1070)
│ │ │ │ └── Ælfled of Bernicia =>
│ │ │ │
│ │ └── Alice of Northumberland ( - Aft 1126)(m. 1103)
│ │ │
│ │ │ ┌── Lambert II of Boulogne ( - 1054 Phalempin, Nord, France)(m. 1054) =>
│ │ └── Judith of Lens (Abt 1054 - Aft 1086)(m. Aft Jan 1070)
│ │ └── Alice of Normandy (Abt 1030 - Bef 1090)(m. 1054) =>
│ │
└── Godehilde de Tony ( - Bef 1186)
│
│ ┌── Baldwin VI (Abt 1030 -
│ │ 10 Jul 1070 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055) =>
│ │ 10 Jul 1070 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055) =>
│ ┌── Baldwin II De Hainaut (1056 - 1098 Anatolia)(m. 1084)
│ │ └── Richilde of Hainaut (Between 1015 and 1020 -
│ │ 15 Mar 1086 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055)
│ │ 15 Mar 1086 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055)
│ │
│ ┌── Baldwin III of Hainaut (1088 - 1120)(m. Abt 1107)
│ │ │
│ │ │ ┌── Henry II of Louvain (Abt 1021 - Abt 1078 bur.Abbey of Nivelles, Brabant) =>
│ │ └── Ida of Louvain (of Louvain, Brabant, Belgium - 1139)(m. 1084)
│ │
└── Ida de Hainaut (m. Abt 9 Aug 1138)
│
│ ┌── Gerhard I von Wassenberg (Abt 1060 of Wassenberg, North Rhine-Westphalia, Germany -
│ │ Bef 1138)
│ │ Bef 1138)
└── Yolande von Wassenberg (Abt 1090 of Guelders, Netherlands - 1155)(m. Abt 1107)