_Christian III OLDENBURG _+
                                                                          | (1503 - 1558)            
                                                     _John II OLDENBURG __|
                                                    | (1545 - 1622)       |
                                                    |                     |_Dorothea of ASCANIA _____+
                                                    |                       (1511 - 1571)            
 _Philip SCHLESWIG-HOLSTEIN-SONDERBURG-GLÜCKSBURG _|
| (1583 - 1663)                                     |
|                                                   |                      _Ernest III WELF _________+
|                                                   |                     | (1518 - 1567)            
|                                                   |_Elisabeth of WELF __|
|                                                     (1549 - 1585)       |
|                                                                         |_Margaret of GRIFFINS ____
|                                                                           (1518 - 1569)            
|
|--Sophia Dorothea of SCHLESWIG-HOLSTEIN-SONDERBURG-GLÜCKSBURG 
|  (1636 - 1689)
|                                                                          _Francis I ASCANIA _______+
|                                                                         | (1510 - 1580)            
|                                                    _Francis II ASCANIA _|
|                                                   | (1547 - 1619) m 1582|
|                                                   |                     |_Sibylle of WETTIN _______+
|                                                   |                       (1515 - 1592)            
|_Sophie Hedwig of ASCANIA _________________________|
  (1601 - 1659)                                     |
                                                    |                      _Julius WELF _____________+
                                                    |                     | (1528 - 1589)            
                                                    |_Maria of WELF ______|
                                                       m 1582             |
                                                                          |_Hedwig of HOHENZOLLERN __+
                                                                            (1539 - 1602)