_Louis IV WITTELSBACH ____+
                                                        | (1282 - 1347)            
                          _Stephen II WITTELSBACH ______|
                         | (1319 - 1375)                |
                         |                              |_Beatrice of PIAST _______+
                         |                                (1290 - 1322)            
 _Frederick WITTELSBACH _|
| (1339 - 1393)          |
|                        |                               _Frederick III BARCELONA _+
|                        |                              | (1272 - 1337)            
|                        |_Elisabeth of BARCELONA ______|
|                          (1310 - 1349)                |
|                                                       |_Eleanor of ANJOU-NAPLES _+
|                                                         (1289 - 1341)            
|
|--Margareta of WITTELSBACH 
|  (1384 - ....)
|                                                        __________________________
|                                                       |                          
|                         _Bernabò VISCONTI ___________|
|                        | (1323 - 1385)                |
|                        |                              |__________________________
|                        |                                                         
|_Maddalena VISCONTI ____|
  (1366 - 1404)          |
                         |                               __________________________
                         |                              |                          
                         |_Beatrice Regina della SCALA _|
                           (1331 - 1384)                |
                                                        |__________________________