Nielsen Hayden genealogy
Descendants of Gerhard
- 1045Father: Adalbert ( - 1033)
Mother: Judith von Oenningen
Gerhard ( - 1045)
   └─ Gerard of Lorraine (Abt 1008 - 4 Apr 1070 Remiremont, Vosges, France)
    Hedwig of Namur (of Namur, Belgium - Between 1075 and 1080)
       ├─ Thierri II of Lorraine ( - 1115)
       │ Hedwig of Formbach ( - Between 1085 and 1090)
       │ :   │ + Floris II "the Fat" of Holland ( - 2 Mar 1121)
       │ :    + Adelaide of Louvain ( - Aft 4 Nov 1158)
       │ Gertrude of Flanders (Abt 1070 - 1117)(m. Between 1095 and 1096)
       │    └─ Thierri III of Lorraine (Abt 1098 - 17 Jan 1168) =>
       │     + Sibyl of Anjou (1112 - 1165)(m. 1131)
       └─ Gerard of Lorraine (Abt 1057 - Bef 1118)
        Edith of Egisheim ( - Bef 29 Jan 1126)
           │ + Renaud I of Mousson and Bar-le-Duc (Abt 1090 - 10 Mar 1149)(m. Abt 1120)
            + Aigeline of Burgundy (Abt 1116 - 1163)(m. Abt 1130)