Nielsen Hayden genealogy
Descendants of Radulf III de Tosny
Abt 1030 - 1102 (~ 72 years)Father: Roger I de Tosny (Between 985 and 995 - Between 1038 and 1043 bur.Abbey of St. Pierre de Castillon, Conches-en-Ouche, Eure, France)
Mother: Godehildis
Radulf III de Tosny (Abt 1030 - 24 Mar 1102 bur.Abbey of St. Pierre de Castillon, Conches-en-Ouche, Eure, France)
Isabel de Montfort ( - Aft 1123 Haute-Bruyere Priory, near Rambouillet, Yvelines, Île-de-France, France)
(m. Between 1068 and 1070)
(m. Between 1068 and 1070)
   └─ Ralph de Tony (Abt 1081 - 1126 bur.Châtillon-les-Conches Abbey, Eure, Normandy, France)
    Alice of Northumberland ( - Aft 1126)(m. 1103)
       └─ Roger de Tony (Abt 1104 of Flamstead, Hertfordshire, England - Aft 29 Sep 1158)
        Ida de Hainaut (m. Abt 9 Aug 1138)
           │ + William de Mohun (of Dunster, Williton, Somerset, England - 1176)
           └─ Ralph de Tony (Abt 1140 of Flamstead, Hertfordshire, England - 1162) =>
            + Margaret of Leicester (Abt 1125 - Aft 1185)(m. Aft 1155)