Nielsen Hayden genealogy
Descendants of Robert de Mortain
Abt 1031 - 1090 (~ 59 years)Father: Herluin de Conteville ( - Abt 1066 bur.Grestain Abbey, Fatouville-Grestain, Normandy, France)
Mother: Herleve (Abt 1003 - Abt 1050 bur.Grestain Abbey, Fatouville-Grestain, Normandy, France)
Robert de Mortain (Abt 1031 - 8 Dec 1090 bur.Grestain Abbey, Fatouville-Grestain, Normandy, France)
Maud de Montgomery ( - Between 1082 and 1084 bur.Grestain Abbey, Fatouville-Grestain, Normandy, France)(m. Bef 1066)
   ├─ Agnes de Mortain (of Mortagne-au-Perche, Orne, Normandy, France - ??)
   │ André I de Vitré (1055 - Abt 1139)
   │    └─ Robert II de Vitré (of Vitré, Ille-et-Vilaine, Brittany, France - Abt 1155)
   │     Emma
   │        └─ Robert III de Vitré (Abt 1120 of Vitré, Ille-et-Vilaine, Brittany, France - 1173) =>
   │         + Emma de Dinan ( - 18 Dec 1205)(m. Bef 1 Apr 1161)
   └─ Emma of Mortain ( - Aft 1134)
    William IV of Toulouse (Abt 1040 - Abt 1093 Jerusalem)(m. Bef 1080)
       └─ Philippa of Toulouse ( - 28 Nov 1117)
        William IX of Aquitaine (22 Oct 1071 - 10 Feb 1126)(m. 1094)
           ├─ William X of Aquitaine (1099 - 26 Mar 1136 Santiago de Compostela, Galicia, Spain) =>
           │ + Aénor de Châtellerault ( - Aft 3 Mar 1130)(m. 1121)
            + Amaury VI of Thouars (m. Bef 1117)
            + Ramiro II, King of Aragón & Navarre (24 Apr 1086 - 16 Aug 1157)(m. 1135)