Nielsen Hayden genealogy
Descendants of Guillaume I
980 - Bef 1040 (~ 65 years)Father: Richard I, Leader of the Normans of Rouen (Fécamp, Normandy, France;Between 931 and 932 - 21 Nov 996)
Guillaume I (Between 975 and 980 - Bef 2 Jan 1040)
Lesceline de Tourville (Abt 1000 - 26 Jan 1058)
   ├─ Robert (Abt 1018 - Abt 8 Sep 1092)
   │ Beatrice ( - 10 Apr 1085)
   │    └─ Eremburge de Mortain ( - Abt 1087)
   │     Roger I d'Hauteville (1031 - 22 Jun 1101)(m. Abt 1077)
   │         + Kálmán, King of Hungary (Abt 1063 - 3 Feb 1116)(m. 1097)
   └─ Guillaume Bussac (Abt 1020 - Abt 1076)
    Adélaide de Soissons
       └─ (Unknown) de Soissons
        Ives de Nesle
            + Rainurde