- b.~ 1110 in , , , Oldenburg d.1167
- b.~ 1145 in , , , Oldenburg d.> 1209 in , , , Oldenburg
- b.~ 1120 in Stotel d.> 1198
- b.~ 1178 in , , , Oldenburg d.1233
- b.1138 d.1174
- b.~ 1150 in Wickrath d.> 1211
- b.~ 1128 d.1211
- b.~ 1206 in , , , Oldenburg d.1285
- b.1144 d.23 Jan 1180
- b.~ 1160 d.1209
- b.1116 d.1200
- b.~ 1186 in Hoevel
- b.~ 1228 in , , , Oldenburg d.1285
- b.~ 1144
- b.~ 1170 in Hoya d.<09 Aug 1238
- b.~ 1148
- b.~ 1198 in Hoya
- b.~ 1174 in Wolpe d.<07 Jun 1227
- b.ABT 1207/1214 in Hoya
- b.~ 1198 in Hoya d.<01 Aug 1244
- b.~ 1260 in , , , Oldenburg d.1314/1316
- b.~ 1102 in , , , Oldenburg d.1167
- b.~ 1132
- b.~ 1106 in Zutphen, , , Geldern
- b.~ 1176 in Wildeshausen, , , Oldenburg d.06 Jul 1233
- b.~ 1118 in Loccum d.< 1167
- b.~ 1140 in Loccum
- b.~ 1120 in Rheineck
- b.~ 1202 in Wildehausen, , , Oldenburg d.<20 Aug 1270
- b.~ 1154
- b.~ 1180 in Schoten, , , Netherlands
- b.~ 1233 in Wildeshausen, , , Oldenburg d.1287
- b.~ 1182
- b.~ 1186