Nielsen Hayden genealogy

Descendants of Conan III of Brittany

Male Abt 1093 - 1148  (~ 55 years)


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Father: Alain Fergant     (Abt 1066 - 13 Oct 1119)
Mother: Ermengarde of Anjou     (Abt 1066 - Abt 1146)

Conan III of Brittany (Abt 1093 - 1148)
Maud fitz Roy (m. Bef 1113)
    ├─ Constance of Brittany   ( - 1148)
    │ Geoffroi II de Mayenne (Abt 1135 - 18 Feb 1165)(m. Abt 1135)
    │     ├─ Mathilde de Mayenne  
    │     │ Andre II de Vitré ( - Sep 1211)
    │     │     └─ Eleanor de Vitré     =>
    │     │       + Geldouin de Dol ( - Abt 1235)
    │     └─ Clémence de Mayenne   ( - Bef 1190)
    │       Robert IV de Sablé ( - Abt 1195 Palestine)(m. Aft 1168)
    │           └─ Marguerite de Sablé   ( - Aft 20 Jul 1238)  =>
    │             + Guillaume des Roches (Between 1155 and 1160 - 15 Jul 1222)(m. Abt 1190)
    └─ Bertha of Brittany   (Abt 1119 - Between 1162 and 1167)
      Alan III (Bef 1100 - 15 Sep 1146 Brittany, France)(m. Abt 1137)
          └─ 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 Chemillé, France)(m. Bef Oct 1199)
Number of people in this chart: 20 (including 9 spouses and 2 parents) in 4 generations.
Links to charts that show additional descendants: 3
Lines that wrap to another line: 0
Chart Summary