_Frederick II WETTIN _____+
                                                | (1310 - 1349) m 1329     
                       _Frederick III WETTIN ___|
                      | (1332 - 1381)           |
                      |                         |_Mathilde of WITTELSBACH _+
                      |                           (1313 - 1346) m 1329     
 _Frederick I WETTIN _|
| (1370 - 1427)       |
|                     |                          _Henry VIII HENNEBERG ____+
|                     |                         | (.... - 1347)            
|                     |_Catherine of HENNEBERG _|
|                       (1334 - 1397)           |
|                                               |_Jutta of ASCANIA ________+
|                                                 (1297 - 1353)            
|
|--William III WETTIN 
|  (1425 - 1482)
|                                                _Magnus II WELF __________+
|                                               | (1324 - 1373) m 1356     
|                      _Henry WELF _____________|
|                     | (1355 - 1416)           |
|                     |                         |_Catherine of ASCANIA ____+
|                     |                           (1330 - 1389) m 1356     
|_Catherine of WELF __|
  (1395 - 1441)       |
                      |                          _Wartislaw VI GRIFFIN ____+
                      |                         | (1345 - 1394) m 1363     
                      |_Sophie of GRIFFIN ______|
                        (.... - 1406)           |
                                                |_Anne of MECKLENBURG _____+
                                                   m 1363