- b.0963 in Wassenberg, Rheinland, Prussia
- b.0988 in Wassenberg, Rheinland, Prussia d.1035
- b.1013 in Wassenberg, Rheinland, Prussia d.1082 in Wassenberg, Rheinland, Prussia
- b.1033 in Wassenberg, Rheinland, Prussia d.1075 in Wassenberg, Rheinland, Prussia
- b.~ 1063 in Wassenberg, Rheinland, Prussia d.1125
- b.~ 1093 in Wassenberg, Rheinland, Prussia d.24 Jun 1151 in Limburg, Belgium
- b.1065 in Wassenberg, Rheinland, Prussia