Nielsen Hayden genealogy
Descendants of Alan III of Rennes
997 - 1040 (43 years)Father: Geoffroi I of Brittany (Abt 980 - 20 Nov 1008)
Mother: Hawise of Normandy ( - 21 Feb 1034)
Alan III of Rennes (997 - 1 Oct 1040 Vimoutiers, Normandy, France)
Bertha of Blois ( - Abt 1080)
   └─ Hawise of Rennes (Abt 1037 - 19 Aug 1072)
    Hoël II of Cornouaille (Abt 1031 - 13 Apr 1084 bur.Abbey of Sainte-Croix de Quimperlé, Brittany, France)
    (m. 1066)
    (m. 1066)
       └─ Alain Fergant (Abt 1066 - 13 Oct 1119)
        + Constance (1061 - 13 Aug 1090 bur.St. Melans, Rhedon, Brittany, France)(m. 1086)
        Ermengarde of Anjou (Abt 1066 - Abt 1146)(m. 1093)
           │ + Geoffrey de Porhoët (1092 - 1141)
            + Maud fitz Roy (m. Bef 1113)