Nielsen Hayden genealogy
Descendants of Wilhelm IV
1210 - 1278 (68 years)Father: Wilhelm III (Abt 1173 - 1219 Damietta, Egypt)
Mother: Mathilde von Limburg ( - Aft 1 Apr 1234)
Wilhelm IV (1210 - 16 Mar 1278 Aachen, Westphalia, Germany)
Margareta van Gelre ( - Bef 10 Jan 1250)(m. 12 Mar 1237)
:   └─ Katharina von Jülich
:    Johann von Arberg ( - Bef 28 Jun 1287)(m. Between 1268 and 1270)
:       └─ Mechtild ( - 21 Jan 1367)
:        Engelbert II (Abt 1280 - 18 Jul 1328)(m. 25 Jan 1299)
:            + Margaret of Kleve (Abt 1314 - Aft 1340)(m. 15 Mar 1332)
Richardis van Gelre ( - Between 1293 and 1298)(m. Bef 10 Jan 1250)
   └─ Gerhard V (Abt 1250 - 29 Jul 1328)
    Isabella of Brabant ( - Aft 26 Nov 1350)
    :   └─ Gottfried von Bergheim ( - 3 May 1335)
    :    Elizabeth von Kleve ( - 12 Nov 1346)(m. 1330)
    :        + Friedrich VIII (Abt 1328 - 1397 bur.Höningen, Rhineland, Germany)(m. Bef 22 Mar 1351)
    (Unknown)
       └─ Wilhelm V-I (Abt 1299 - 26 Feb 1361)
        Johanna of Holland and Hainault (Abt 1312 - 1374)(m. 26 Feb 1324 Koln, Germany)
           │ + Margareta von Ravensberg ( - 13 Feb 1389)(m. 1338)
            + Maria of Guelders (Between 1325 and 1330 - Nov 1397)(m. Aft 25 Dec 1362)