- b.1064 in Dassel, Hannover, Prussia
- b.1090 in Dassel, Hannover, Prussia
- b.1068 in Dassel, Hannover, Prussia
- b.1128 in Dassel, Hannover, Prussia d.1167
- b.1100 in Dassel, Hannover, Prussia
- b.1162 in Dassel, Hannover, Prussia
- b.1132 in Dassel, Hannover, Prussia