- b.0988 in Wassenberg, Rheinland, Prussia
- b.1013 in Wassenberg, Rheinland, Prussia d.1082 in Wassenberg, Rheinland, Prussia
- b.1035 in Wassenberg, Rheinland, Prussia d.1082 in Teisterbant, Rheinland, Prussia
- b.1055 in Heinsberg, Rheinland, Prussia d.01 Apr 1096
- b.~ 1009 in Montaigu, Maine, France
- b.~ 1040 in Montaigu, Maine, France
- b.1085 in Heinsberg, Rheinland, Prussia d.1140 in Heinsberg, Rheinland, Prussia