_John II OLDENBURG __+
                                                   | (1260 - 1314)       
                         _Conrad I OLDENBURG ______|
                        | (1300 - 1367)            |
                        |                          |_Hedwig of DIEPHOTZ _
                        |                            (1264 - 1307)       
 _Conrad II OLDENBURG __|
| (1331 - 1401)         |
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|                       |                          |                     
|                       |_Ingeborg of SCHAUENBURG _|
|                         (1316 - 1350)            |
|                                                  |_____________________
|                                                                        
|
|--John OLDENBURG 
|  (.... - 1368)
|                                                   _____________________
|                                                  |                     
|                        __________________________|
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|                       |                                                
|_Kunigunde of UNKNOWN _|
                        |
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                        |__________________________|
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