_Christian II OLDENBURG ___+
                                                       | (1178 - 1233)             
                       _John I OLDENBURG ______________|
                      | (1204 - 1270)                  |
                      |                                |_Agnes of ALTENA-ISENBURG _
                      |                                  (1166 - 1217)             
 _Otto II OLDENBURG __|
| (1253 - 1303)       |
|                     |                                 ___________________________
|                     |                                |                           
|                     |_Richeza of HOYA-STUMPENHAUSEN _|
|                       (1220 - 1270)                  |
|                                                      |___________________________
|                                                                                  
|
|--Christian of OLDENBURG 
|  
|                                                       ___________________________
|                                                      |                           
|                      ________________________________|
|                     |                                |
|                     |                                |___________________________
|                     |                                                            
|_Oda of STERNBERG ___|
  (1242 - 1291)       |
                      |                                 ___________________________
                      |                                |                           
                      |________________________________|
                                                       |
                                                       |___________________________