- b.~ 1118
- b.~ 1154 in Bronkhorst, , , Netherlands d.1225
- b.~ 1122
- b.~ 1182 d.1238
- b.~ 1158 in Bronkhorst, , , Netherlands
- b.~ 1222 in , , , Netherlands d.1290
- b.~ 1040 in , , , Oldenburg d.1108
- b.~ 1070 in , , , Oldenburg d.1143
- b.~ 1044 in , , , Oldenburg d.> 1106
- b.~ 1110 in , , , Oldenburg d.1167
- b.1081 d.1118
- b.~ 1076 in Paderborn
- b.1078 d.1134
- b.~ 1145 in , , , Oldenburg d.> 1209 in , , , Oldenburg
- b.~ 1120 in Stotel d.> 1198
- b.~ 1182 in , , , Oldenburg d.<29 Oct 1260
- b.1105 d.1161
- b.1138 d.1174
- b.~ 1150 in Wickrath d.> 1211
- b.~ 1128 d.1211