_Afonso I BRAGANZA ________+
                                               | (1377 - 1461) m 1400      
                         _Fernando I BRAGANZA _|
                        | (1403 - 1478) m 1429 |
                        |                      |_Beatriz PEREIRA DE ALVIM _
                        |                        (1380 - 1414) m 1400      
 _Fernando II BRAGANZA _|
| (1430 - 1483)         |
|                       |                       ___________________________
|                       |                      |                           
|                       |_Joana of CASTRO _____|
|                          m 1429              |
|                                              |___________________________
|                                                                          
|
|--Margarida of BRAGANZA 
|  
|                                               _Edward AVIZ ______________+
|                                              | (1391 - 1438)             
|                        _Ferdinand AVIZ ______|
|                       | (1433 - 1470) m 1447 |
|                       |                      |_Eleonor of TRASTÁMARA ___+
|                       |                        (1402 - 1444)             
|_Isabella of AVIZ _____|
  (1459 - 1521)         |
                        |                       _John AVIZ ________________+
                        |                      | (1399 - 1442)             
                        |_Beatrice of AVIZ ____|
                          (1430 - 1506) m 1447 |
                                               |_Isabella of BRAGANZA _____+
                                                 (1402 - 1466)