Nielsen Hayden genealogy
Descendants of Gerhard II
Abt 1134 - Bef 1197 (~ 62 years)Father: Hugues I (Bef 1107 - 4 Feb 1155)
Mother: Aigeline of Burgundy (Abt 1116 - 1163)
Gerhard II (Abt 1134 - Bef 1197)
Gertrude de Joinville (m. 1158)
   └─ Hugues II (Abt 1160 - Between 1238 and 1242)
    Hadwide de Reynel ( - Bef Jul 1238)(m. Bef 1193)
       └─ Hugues III (Abt 1200 - Between 20 Apr 1243 and 4 May 1244)
        Marguerite de Bar
           └─ Henri I (Abt 1232 - Between 1 May 1278 and 10 Jul 1278) =>
            + Marguerite (m. Bef 11 Feb 1252)