- b.~ 1175
- b.~ 1201 in Langerak, , , Netherlands
- b.~ 1179
- b.~ 1233 in Arkel, , , Netherlands d.15 May 1272 in Arkel, , , Netherlands
- b.1179 in Heusden, Holland
- b.~ 1205 in Heusden, Holland
- b.~ 1183 in Heusden, Holland
- b.~ 1258 in Arkel, , , Netherlands d.27 Mar 1297 in Alkmaar, , , Netherlands
- b.~ 1236 in Ochten, , , Netherlands