_Dietrich OLDENBURG ____+
                                                 | (1398 - 1439)          
                       _Gerhard VI OLDENBURG ____|
                      | (1430 - 1499) m 1453     |
                      |                          |_Helvig of SCHAUENBURG _
                      |                            (1398 - 1436)          
 _John V OLDENBURG ___|
| (1460 - 1525)       |
|                     |                           ________________________
|                     |                          |                        
|                     |_Adelheid of TECKLENBURG _|
|                       (1435 - 1476) m 1453     |
|                                                |________________________
|                                                                         
|
|--John VI OLDENBURG 
|  (1501 - 1548)
|                                                 _Sigismund I ASCANIA ___+
|                                                | (.... - 1404) m 1386   
|                      _George I ASCANIA ________|
|                     | (1390 - 1474)            |
|                     |                          |_Judith of QUERFURT ____
|                     |                            (.... - 1411) m 1386   
|_Anna of ASCANIA ____|
  (.... - 1531)       |
                      |                           ________________________
                      |                          |                        
                      |_Anna of LINDOW-RUPPIN ___|
                        (1430 - 1513)            |
                                                 |________________________