_Leopold III HABSBURG ____+
                                                  | (1351 - 1386)            
                         _Ernest HABSBURG ________|
                        | (1377 - 1424) m 1411    |
                        |                         |_Viridis VISCONTI ________+
                        |                           (1352 - 1413)            
 _Frederick V HABSBURG _|
| (1415 - 1493)         |
|                       |                          _Siemowit IV PIAST _______+
|                       |                         | (1353 - 1425)            
|                       |_Cymburgis of PIAST _____|
|                         (1394 - 1429) m 1411    |
|                                                 |_Alexandra of GEDIMINID __+
|                                                   (1360 - 1434)            
|
|--Kunigunde of HABSBURG 
|  (1464 - 1520)
|                                                  _John I AVIZ _____________+
|                                                 | (1357 - 1433) m 1387     
|                        _Edward AVIZ ____________|
|                       | (1391 - 1438)           |
|                       |                         |_Philippa of LANCASTER ___+
|                       |                           (1360 - 1415) m 1387     
|_Eleanor of AVIZ ______|
  (1434 - 1467)         |
                        |                          _Ferdinand I TRASTÁMARA _+
                        |                         | (1380 - 1416)            
                        |_Eleonor of TRASTÁMARA _|
                          (1402 - 1444)           |
                                                  |_Eleanor of IVREA ________+
                                                    (1374 - 1435)