Nielsen Hayden genealogy
Descendants of Wilhelm V-I
Abt 1299 - 1361 (~ 62 years)Father: Gerhard V (Abt 1250 - 29 Jul 1328)
Mother: (Unknown)
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)
   │    │    └─ Margareta of Jülich (Abt 1364 - 18 Jun 1442 Hardegsen, Lower Saxony, Germany) =>
   │    │     + Otto of Brunswick (Abt 1340 - 13 Dec 1394 Hardegsen, Lower Saxony, Germany)(m. Bef 24 Jun 1379)
   │    └─ 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)
   │        └─ Adolf I (Kleves, Westphalia, Germany;26 Dec 1373 - 23 Sep 1448) =>
   │         + Marie of Burgundy (Jan 1394 - 30 Oct 1463 Burg Monterberg near Kalkar, Kleves, Westphalia, Germany)
   │         (m. 12 Jul 1406 Arras, Pas-de-Calais, France)
   │         (m. 12 Jul 1406 Arras, Pas-de-Calais, France)
   └─ Wilhelm VI-II (1333 - 13 Dec 1393)
    Maria of Guelders (Between 1325 and 1330 - Nov 1397)(m. Aft 25 Dec 1362)
       └─ Johanna of Jülich
        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)
            + Jan II (Abt 1385 - 4 Jan 1451 bur.Egmond Abbey, Bergen, North Holland)(m. 24 Jun 1409)