- b.~ 1050 in , , , Netherlands
- b.~ 1095 in , , , Netherlands d.1158
- b.~ 1130 in , , , Netherlands d.1168 in Schoorl, , , Netherlands
- b.~ 1158 in , , , Netherlands d.13 Sep 1208
- b.~ 1180 in , , , Netherlands d.17 May 1234 in At the Elbe, , , Germany
- b.~ 1160 in , , , Netherlands