_Henry III WELF ____________________+
                                                                  | (1533 - 1597)                      
                              _Augustus WELF _____________________|
                             | (1579 - 1666)                      |
                             |                                    |_Ursula of ASCANIA _________________+
                             |                                      (1545 - 1620)                      
 _Ferdinand Albert I WELF ___|
| (1636 - 1687)              |
|                            |                                     _John Albert II MECKLENBURG ________+
|                            |                                    | (1590 - 1636) m 1608               
|                            |_Elisabeth Sophie of MECKLENBURG ___|
|                              (1613 - 1676)                      |
|                                                                 |_Margaret Elizabeth of MECKLENBURG _+
|                                                                   (1584 - 1625) m 1608               
|
|--Leopold Karl WELF 
|  (1670 - 1670)
|                                                                  _Maurice HESSE-KASSEL ______________+
|                                                                 | (1572 - 1631) m 1631               
|                             _Frederick HESSE-KASSEL ____________|
|                            | (1617 - 1655) m 1646               |
|                            |                                    |_Juliane of NASSAU-SIEGEN __________+
|                            |                                      (1587 - 1642) m 1631               
|_Christine of HESSE-KASSEL _|
  (1648 - 1701)              |
                             |                                     _John Casimir WITTELSBACH __________+
                             |                                    | (1589 - 1652)                      
                             |_Eleonora Catherine of WITTELSBACH _|
                               (1626 - 1691) m 1646               |
                                                                  |_Catherine of VASA _________________+
                                                                    (1584 - 1638)