_Christian V OLDENBURG _+
                                                    | (1342 - 1399)          
                            _Dietrich OLDENBURG ____|
                           | (1398 - 1439)          |
                           |                        |_Agnes of HONSTEIN _____
                           |                          (1350 - 1404)          
 _Gerhard VI OLDENBURG ____|
| (1430 - 1499) m 1453     |
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|                          |_Helvig of SCHAUENBURG _|
|                            (1398 - 1436)          |
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|--John V OLDENBURG 
|  (1460 - 1525)
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|_Adelheid of TECKLENBURG _|
  (1435 - 1476) m 1453     |
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