Nielsen Hayden genealogy
Descendants of Gerard of Lorraine
Abt 1008 - 1070 (~ 62 years)Father: Gerhard ( - 1045)
Mother: Gisela
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)
   │ :   ├─ Petronella de Lorraine ( - 24 May 1144)
   │ :   │ Floris II "the Fat" of Holland ( - 2 Mar 1121)
   │ :   │     + Sophia von Rheinick ( - 26 Sep 1176)
   │ :   └─ Simon I of Lorraine (Abt 1076 - 14 Jan 1138)
   │ :    Adelaide of Louvain ( - Aft 4 Nov 1158)
   │ :       │ + Renaud III of Burgundy (Abt 1093 - 1148)
   │ :       │ + Hermann III (Abt 1090 - 16 Jan 1160)(m. Bef 1134)
   │ :       └─ Matthias I of Lorraine (Abt 1119 - 13 May 1176) =>
   │ :        + Bertha of Swabia (1123 - Aft Mar 1195)(m. Abt 1138)
   │ 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)
   │        ├─ Mathieu of Flanders (Abt 1138 - 25 Jul 1173 Driencourt, Somme, Picardy, France) =>
   │        │ + Marie of England (1136 - 1182 Monastery of Sainte-Austreberthe, Montreuil, France)(m. 1160)
   │        ├─ Marguerite of Lorraine (Between 1140 and 1145 - 12 Nov 1194) =>
   │        │ + Baldwin V of Flanders (1150 - 17 Dec 1195)(m. Apr 1169)
   │         + Mahaud of Burgundy ( - 1192)(m. Abt 1175)
   └─ Gerard of Lorraine (Abt 1057 - Bef 1118)
    Edith of Egisheim ( - Bef 29 Jan 1126)
       ├─ Gisele de Vaudemont (1090 - 1141)
       │ Renaud I of Mousson and Bar-le-Duc (Abt 1090 - 10 Mar 1149)(m. Abt 1120)
       │    ├─ Clemence de Bar-le-Duc (of Bar-le-Duc, Meuse, Argonne, Lorraine, France - Aft 1185) =>
       │    │ + Renaud II de Clermont (of Clermont, Oise, Picardie, France - Bef 1162)
       │    │ + Conrad I (Abt 1110 - ??)(m. Abt 1145)
       │    │ + Albert (1090 - Aft 29 Sep 1162)
       │    └─ Renaud II of Bar and Mousson (Abt 1122 - 25 Jul 1170) =>
       │     + Agnès de Blois-Champagne ( - 7 Aug 1207)
       └─ Hugues I (Bef 1107 - 4 Feb 1155)
        Aigeline of Burgundy (Abt 1116 - 1163)(m. Abt 1130)
            + Gertrude de Joinville (m. 1158)