Nielsen Hayden genealogy
Descendants of Conan IV
Abt 1138 - 1171 (~ 33 years)Father: Alan III (Bef 1100 - 15 Sep 1146 Brittany, France)
Mother: Bertha of Brittany (Abt 1119 - Between 1162 and 1167)
Conan IV (Abt 1138 - 20 Feb 1171)
Margaret of Huntingdon (Abt 1145 - 1201 bur.Sawtrey Abbey, Huntingdonshire, England)(m. 1160 England)
   └─ Constance of Brittany (Abt 1162 - 4 Sep 1201 Nantes, Brittany, France)
    Guy de Thouars (Abt 1155 - 13 Apr 1213 ChemillĂ©, France)(m. Bef Oct 1199)
       └─ Alix de Thouars (1201 - 21 Oct 1221 bur.Convent of the Cordeliers, Nantes, Brittany, France)
        Pierre de Braine (Between 1187 and 1190 - Abt 28 May 1250 At sea)(m. Mar 1213)
           │ + Blanche de Champagne ( - 11 Aug 1283)(m. 16 Jan 1235)
           └─ Yolande of Brittany (1218 Dreux, France - 16 Oct 1272 Château Bouteville, Angoumois, France) =>
            + Hugh XI "le Brun" de Lusignan (Abt 1221 - 1250 Egypt)(m. 1236)