_Conrad I OLDENBURG ______+
                                                  | (1300 - 1367)            
                          _Christian V OLDENBURG _|
                         | (1342 - 1399)          |
                         |                        |_Ingeborg of SCHAUENBURG _
                         |                          (1316 - 1350)            
 _Dietrich OLDENBURG ____|
| (1398 - 1439)          |
|                        |                         __________________________
|                        |                        |                          
|                        |_Agnes of HONSTEIN _____|
|                          (1350 - 1404)          |
|                                                 |__________________________
|                                                                            
|
|--Gerhard VI OLDENBURG 
|  (1430 - 1499)
|                                                  __________________________
|                                                 |                          
|                         ________________________|
|                        |                        |
|                        |                        |__________________________
|                        |                                                   
|_Helvig of SCHAUENBURG _|
  (1398 - 1436)          |
                         |                         __________________________
                         |                        |                          
                         |________________________|
                                                  |
                                                  |__________________________