_Henry IV MECKLENBURG _____+
                                                | (1417 - 1476)             
                        _Magnus II MECKLENBURG _|
                       | (1441 - 1503)          |
                       |                        |_Dorothea of HOHENZOLLERN _+
                       |                          (1419 - 1490)             
 _Henry V MECKLENBURG _|
| (1479 - 1551) m 1551 |
|                      |                         _Eric II GRIFFIN __________+
|                      |                        | (1418 - 1474)             
|                      |_Sophia of GRIFFIN _____|
|                        (1460 - 1504)          |
|                                               |_Sophia of GRIFFIN ________+
|                                                 (1435 - 1497)             
|
|--Sophia of MECKLENBURG 
|  (1508 - 1541)
|                                                _John V ASCANIA ___________+
|                                               | (1439 - 1507)             
|                       _Magnus I ASCANIA ______|
|                      | (1469 - 1563)          |
|                      |                        |_Dorothea of HOHENZOLLERN _+
|                      |                          (1446 - 1518)             
|_Ursula of ASCANIA ___|
  (1523 - 1577) m 1551 |
                       |                         _Henry IV WELF ____________+
                       |                        | (1463 - 1514)             
                       |_Catherine of WELF _____|
                         (1488 - 1563)          |
                                                |_Catherine of GRIFFIN _____+
                                                  (1465 - 1526)