Nielsen Hayden genealogy
Ancestors of Willem II
Abt 1235 - 1304 (~ 69 years) ┌── Wouter (Abt 1155 - 13 Sep 1208)
┌── Willem I (Abt 1190 - 17 May 1234 Near the Elbe)
│ └── Mabilia
│
┌── Gerard (Abt 1212 - 25 Dec 1242 Candia, Crete)
│ └── Badeloch ( - 27 Apr 1244)
│
Willem II (Abt 1235 - 20 Mar 1304)
│
│ ┌── IJsbrand Galenzone =>
│ ┌── Symon Galo
│ ┌── Simon van Haarlem
│ ┌── Wouter van Haarlem