- b.~ 1110 in Oldenburg, Germany d.1167 in Oldenburg, Germany
- b.~ 1145 in Oldenburg, Germany d.> 1209 in Oldenburg, Germany
- b.~ 1120 in Stotel, Hannover, Prussia d.UNKNOWN
- b.~ 1178 in Oldenburg, Germany d.<12 Jun 1243 in Oldenburg, Germany
- b.1124 in Wickrath, Rheinland, Prussia d.UNKNOWN
- b.~ 1150 in Wickrath, Rheinland, Prussia d.> 1211
- b.1128 in Are, Rheinland, Prussia d.UNKNOWN
- b.~ 1206 in Oldenburg, Germany d.1270 in Oldenburg, Germany
- b.~ 1140 in Altena, Westpfalz, Prussia d.23 JAN 1179/80 in Prussia
- b.~ 1146 in Altena, Westpfalz, Prussia d.> 1209 in Prussia
- b.BET 1130 AND 1134 in Cuijck, Noord-Brabant, Netherlands d.> 1200 in Prussia
- b.~ 1186 in Hoevel, Westfalen, Prussia d.UNKNOWN
- b.~ 1141 in Vlaardingen, Zuid-Holland, Netherlands d.01 Aug 1190 in Vlaardingen, Zuid-Holland, Netherlands
- b.~ 1163 in Netherlands d.> 1223 in Prussia
- b.BET 1142 AND 1146 in Huntingdon, Huntingdon, England d.AFT 11 JAN 1203/04 in Netherlands
- b.~ 1228 in Oldenburg, Germany d.1285 in Oldenburg, Germany
- b.BET 1207 AND 1414 in Hoya, Hannover, Prussia d.UNKNOWN
- b.~ 1260 in Oldenburg, Germany d.< 1294 in Oldenburg, Germany
- b.~ 1202 in Wildeshausen, Oldenburg, Germany d.<20 Aug 1270 in Wildeshausen, Oldenburg, Germany
- b.~ 1233 in Wildeshausen, Oldenburg, Germany d.UNKNOWN
- b.~ 1208 in Tecklenburg, Westfalen, Prussia d.>12 Nov 1268 in Oldenburg, Germany