_Albert I HABSBURG ____+
                                                       | (1255 - 1308)         
                         _Albert II HABSBURG __________|
                        | (1298 - 1358)                |
                        |                              |_Elizabeth of GORIZIA _
                        |                                (1262 - 1312)         
 _Leopold III HABSBURG _|
| (1351 - 1386)         |
|                       |                               _______________________
|                       |                              |                       
|                       |_Joanna OF SCARPONNOIS _______|
|                         (1300 - 1351)                |
|                                                      |_______________________
|                                                                              
|
|--Frederick IV HABSBURG 
|  (1382 - 1439)
|                                                       _______________________
|                                                      |                       
|                        _Bernabò VISCONTI ___________|
|                       | (1323 - 1385)                |
|                       |                              |_______________________
|                       |                                                      
|_Viridis VISCONTI _____|
  (1352 - 1413)         |
                        |                               _______________________
                        |                              |                       
                        |_Beatrice Regina della SCALA _|
                          (1331 - 1384)                |
                                                       |_______________________