Nielsen Hayden genealogy
Ancestors of Otto II van Gelre
Abt 1215 - 1271 (~ 56 years) ┌── Hendrik van Gelre (Abt 1117 - Between 27 May 1182 and 10 Sep 1182)(m. Abt 1135) =>
┌── Otto I van Gelre (Abt 1150 - Aft 30 Apr 1207)
│ └── Agnes von Arnstein ( - Bef 1179)(m. Abt 1135) =>
│
┌── Gerhard van Gelre (Abt 1185 - 22 Aug 1229)(m. Abt 1206)
│ │
│ │ ┌── Otto I of Bavaria (Abt 1117 - 11 Jul 1183) =>
│ └── Richardis von Scheyern-Wittelsbach (Abt 1173 - 7 Dec 1231)
│ └── Agnes von Looz (Abt 1150 - 1192) =>
│
Otto II van Gelre (Abt 1215 - 10 Jan 1271)
│
│ ┌── Godfrey III (Abt 1141 - 10 Aug 1190 bur.St. Peter's Church, Leuven, Belgium)(m. 1158) =>
│ ┌── Henri I of Brabant (Abt 1158 - 5 Sep 1235 Koln, Germany)(m. 1179)
│ │ └── Margaret von Limburg ( - 1172)(m. 1158) =>
│ │
└── Margareta of Brabant (Abt 1192 - 5 May 1231)(m. Abt 1206)
│
│ ┌── Mathieu of Flanders (Abt 1138 - 25 Jul 1173 Driencourt, Somme, Picardy, France)(m. 1160) =>
└── Machtild of Boulogne (Abt 1169 - Between 1210 and 1211 bur.Afflighem Abbey, Brabant, Belgium)
(m. 1179)
└── Marie of England (1136 - 1182 Monastery of Sainte-Austreberthe, Montreuil, France)(m. 1160) =>