Nielsen Hayden genealogy
Descendants of (Unknown)
Father: Wilhelm ( - 14 Sep 1263)
(Unknown)
Gerhard V (Abt 1250 - 29 Jul 1328)
   └─ Wilhelm V-I (Abt 1299 - 26 Feb 1361)
    Johanna of Holland and Hainault (Abt 1312 - 1374)(m. 26 Feb 1324 Koln, Germany)
       ├─ Gerhard VI of Jülich ( - 18 May 1360)
       │ Margareta von Ravensberg ( - 13 Feb 1389)(m. 1338)
       │    ├─ Wilhelm II-VII of Jülich (Abt 1348 - 25 Jun 1408) =>
       │    │ + Anna of Rhein (1346 - 30 Nov 1415)(m. 1363)
       │    └─ Margarete of Ravensberg (Abt 1350 -
       │     10 Oct 1425 Burg Monterberg near Kalkar, Kleves, Westphalia, Germany) =>
       │     10 Oct 1425 Burg Monterberg near Kalkar, Kleves, Westphalia, Germany) =>
       │     + Adolf III (1334 - 7 Sep 1394 Kleves, Westphalia, Germany)(m. Abt 1369)
       └─ Wilhelm VI-II (1333 - 13 Dec 1393)
        Maria of Guelders (Between 1325 and 1330 - Nov 1397)(m. Aft 25 Dec 1362)
            + Johann V van Arkel (Bef 11 Sep 1362 chr.Gorinchem, Zuid-Holland, Netherlands -
            Aug 1428 Leerdam, Zuid-Holland, Netherland)(m. 1376)
            Aug 1428 Leerdam, Zuid-Holland, Netherland)(m. 1376)