_Alfonso V TRASTÁMARA _____+
                                                       | (1396 - 1458)              
                             _Ferdinand I TRASTÁMARA _|
                            | (1423 - 1493)            |
                            |                          |_Maria of TRASTÁMARA ______+
                            |                            (1401 - 1458)              
 _Frederick IV TRASTÁMARA _|
| (1452 - 1504)             |
|                           |                           ____________________________
|                           |                          |                            
|                           |_Isabella of CLERMONT ____|
|                             (1424 - 1465)            |
|                                                      |____________________________
|                                                                                   
|
|--Charlotte of TRASTÁMARA 
|  (1479 - 1506)
|                                                       _Louis I SAVOY _____________+
|                                                      | (1412 - 1464) m 1433       
|                            _Amadeus IX SAVOY ________|
|                           | (1434 - 1472) m 1452     |
|                           |                          |_Anne of POITIERS-LUSIGNAN _+
|                           |                            (1418 - 1462) m 1433       
|_Anne of SAVOY ____________|
  (1455 - 1479)             |
                            |                           _Charles VII VALOIS ________+
                            |                          | (1402 - 1461) m 1422       
                            |_Yolande of VALOIS _______|
                              (1434 - 1478) m 1452     |
                                                       |_Marie of VALOIS-ANJOU _____+
                                                         (1404 - 1463) m 1422