_John I AVIZ ______________+ | (1357 - 1433) m 1387 _Duarte AVIZ ___________| | (1391 - 1438) | | |_Philippa of LANCASTER ____+ | (1360 - 1415) m 1387 _Ferdinand AVIZ _____| | (1433 - 1470) m 1447| | | ___________________________ | | | | |_Leonor of TRASTÁMARA _| | (1402 - 1444) | | |___________________________ | | |--Dinis AVIZ | (1464 - ....) | _John I AVIZ ______________+ | | (1357 - 1433) m 1387 | _John AVIZ _____________| | | (1399 - 1442) | | | |_Philippa of LANCASTER ____+ | | (1360 - 1415) m 1387 |_Beatrice of AVIZ ___| (1430 - 1506) m 1447| | _Afonso I BRAGANZA ________+ | | (1377 - 1461) m 1400 |_Isabella of BRAGANZA __| (1402 - 1466) | |_Beatriz PEREIRA DE ALVIM _ (1380 - 1414) m 1400