Nielsen Hayden genealogy
Descendants of Wilhelm
- 1263
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)
           │ + Margareta von Ravensberg ( - 13 Feb 1389)(m. 1338)
            + Maria of Guelders (Between 1325 and 1330 - Nov 1397)(m. Aft 25 Dec 1362)