_Henry WELF __________+
                                            | (1468 - 1531)        
                       _Otto I WELF ________|
                      | (1495 - 1549)       |
                      |                     |_Margarete of WETTIN _+
                      |                       (1469 - 1528)        
 _Otto II WELF _______|
| (1528 - ....) m 1562|
|                     |                      ______________________
|                     |                     |                      
|                     |_Meta VON CAMPE _____|
|                       (.... - 1580)       |
|                                           |______________________
|                                                                  
|
|--William Augustus WELF 
|  (1563 - 1642)
|                                            ______________________
|                                           |                      
|                      _Enno II CIRKSENA ___|
|                     | (1505 - 1540)       |
|                     |                     |______________________
|                     |                                            
|_Hedwig of CIRKSENA _|
  (1535 - 1616) m 1562|
                      |                      _John V OLDENBURG ____+
                      |                     | (1460 - 1525)        
                      |_Anna of OLDENBURG __|
                        (1501 - 1575)       |
                                            |_Anna of ASCANIA _____+
                                              (.... - 1531)