_Henry II TRASTÁMARA _+
                                                   | (1333 - 1379)         
                            _John I TRASTÁMARA ___|
                           | (1358 - 1390)         |
                           |                       |_Juana Manuel IVREA ___+
                           |                         (1339 - 1381)         
 _Ferdinand I TRASTÁMARA _|
| (1380 - 1416)            |
|                          |                        _Peter IV BARCELONA ___+
|                          |                       | (1319 - 1386)         
|                          |_Eleanor of BARCELONA _|
|                            (1357 - 1382)         |
|                                                  |_Eleanor of BARCELONA _+
|                                                    (1325 - 1375)         
|
|--Maria of TRASTÁMARA 
|  (1402 - 1444)
|                                                   _Alfonso XI BURGUNDY __+
|                                                  | (1311 - 1350)         
|                           _Sancho Alfonso IVREA _|
|                          | (1342 - 1373)         |
|                          |                       |_Eleanor of GUZMAN ____
|                          |                         (1310 - 1351)         
|_Eleanor of IVREA ________|
  (1374 - 1435)            |
                           |                        _Peter I BURGUNDY _____+
                           |                       | (1320 - 1366)         
                           |_Beatrice of BURGUNDY _|
                             (1347 - 1381)         |
                                                   |_Inês of CASTRO ______
                                                     (1325 - 1354)