_John V ASCANIA ___________+
                                                    | (1439 - 1507)             
                       _Magnus I ASCANIA ___________|
                      | (1469 - 1563)               |
                      |                             |_Dorothea of HOHENZOLLERN _+
                      |                               (1446 - 1518)             
 _Francis I ASCANIA __|
| (1510 - 1580)       |
|                     |                              _Henry IV WELF ____________+
|                     |                             | (1463 - 1514)             
|                     |_Catherine of WELF __________|
|                       (1488 - 1563)               |
|                                                   |_Catherine of GRIFFIN _____+
|                                                     (1465 - 1526)             
|
|--Ursula of ASCANIA 
|  (1545 - 1620)
|                                                    _Albert III WETTIN ________+
|                                                   | (1442 - 1500)             
|                      _Henry IV der Fromme WETTIN _|
|                     | (1472 - 1541)               |
|                     |                             |_Sidonie of PODIEBRAD _____
|                     |                               (1449 - 1509)             
|_Sibylle of WETTIN __|
  (1515 - 1592)       |
                      |                              _Magnus II MECKLENBURG ____+
                      |                             | (1441 - 1503)             
                      |_Catherine of MECKLENBURG ___|
                        (1487 - 1561)               |
                                                    |_Sophia of GRIFFIN ________+
                                                      (1460 - 1504)