_Joachim Ernest ASCANIA ___+
                                                           | (1536 - 1586) m 1559      
                                 _John George I ASCANIA ___|
                                | (1567 - 1618) m 1594     |
                                |                          |_Agnes of BARBY ___________
                                |                            (1540 - 1569) m 1559      
 _George Aribert ASCANIA _______|
| (1606 - 1643) m 1636          |
|                               |                           _John Casimir WITTELSBACH _+
|                               |                          | (1542 - 1591)             
|                               |_Dorothea of WITTELSBACH _|
|                                 (1580 - 1631) m 1594     |
|                                                          |_Elisabeth of WETTIN ______+
|                                                            (1552 - 1590)             
|
|--Johanna of ARIBERT 
|  (.... - 1660)
|                                                           ___________________________
|                                                          |                           
|                                __________________________|
|                               |                          |
|                               |                          |___________________________
|                               |                                                      
|_Johanna Elisabeth of KROSIGK _|
  (.... - 1686) m 1636          |
                                |                           ___________________________
                                |                          |                           
                                |__________________________|
                                                           |
                                                           |___________________________