- b.~ 1140 in <Of, Wildeshausen, Oldenburg, Germany>
- b.~ 1170 in Of Hoya, Hannover, Prussia d.<09 Aug 1238
- b.~ 1144 in Of, Wildeshausen, Oldenburg, Germany
- b.~ 1197 in Of Hoya, Hnnvr, Prss d.01 Aug 1243
- b.~ 1148 in <Of, Dassel, Hannover, Prussia>
- b.~ 1174 in Of Wolpe, Hannover, Prussia d.<07 Jun 1227
- b.~ 1162 in Of, Dassel, Hannover, Prussia