Nielsen Hayden genealogy
Descendants of Gerhard van Gelre
Abt 1185 - 1229 (~ 44 years)Father: Otto I van Gelre (Abt 1150 - Aft 30 Apr 1207)
Mother: Richardis von Scheyern-Wittelsbach (Abt 1173 - 7 Dec 1231)
Gerhard van Gelre (Abt 1185 - 22 Aug 1229)
Margareta of Brabant (Abt 1192 - 5 May 1231)(m. Abt 1206)
   ├─ Richardis van Gelre ( - Between 1293 and 1298)
   │ Wilhelm IV (1210 - 16 Mar 1278 Aachen, Westphalia, Germany)(m. Bef 10 Jan 1250)
   │    └─ Gerhard V (Abt 1250 - 29 Jul 1328)
   │     Isabella of Brabant ( - Aft 26 Nov 1350)
   │     :    + Elizabeth von Kleve ( - 12 Nov 1346)(m. 1330)
   │     (Unknown)
   │         + Johanna of Holland and Hainault (Abt 1312 - 1374)(m. 26 Feb 1324 Koln, Germany)
   ├─ Margareta van Gelre ( - Bef 10 Jan 1250)
   │ Wilhelm IV (1210 - 16 Mar 1278 Aachen, Westphalia, Germany)(m. 12 Mar 1237)
   │    └─ Katharina von Jülich
   │     Johann von Arberg ( - Bef 28 Jun 1287)(m. Between 1268 and 1270)
   │         + Engelbert II (Abt 1280 - 18 Jul 1328)(m. 25 Jan 1299)
   └─ Otto II van Gelre (Abt 1215 - 10 Jan 1271)
    Philippa de Dammartin ( - Between 14 Apr 1277 and 1281)(m. 1253)
       ├─ Margareta van Gelre ( - Between 1282 and 1287)
       │ Dietrich VIII von Kleve (Between 1256 and 1257 - 4 Oct 1305)
       │     + Michtild von Virneburg ( - Aft 25 Apr 1360)(m. 1 Aug 1308)
       └─ Reinald I of Guelders (Abt 1255 - 9 Oct 1326)
        Marguerite van Vlaanderen ( - Abt 1328)(m. 3 Jul 1286 Namur, Wallonia, Belgium)
           │ + Dietrich IX (1291 - 7 Jul 1346)(m. Abt 7 May 1305)
           └─ Reinald II of Guelders (Abt 1295 - 12 Oct 1343 Arnheim, Gelderland, Netherlands) =>
            + Sophia Berthout ( - 6 May 1329)(m. 11 Jan 1311)