_Peter I BURGUNDY __________+ | (1320 - 1366) _John I AVIZ ______________| | (1357 - 1433) m 1387 | | |_Teresa LOURENÇO __________ | _John AVIZ ____________| | (1399 - 1442) | | | _John of Gaunt PLANTAGENET _+ | | | (1339 - 1398) | |_Philippa of LANCASTER ____| | (1360 - 1415) m 1387 | | |_Blanche of PLANTAGENET ____+ | (1342 - 1368) | |--Philippa of AVIZ | | _John I AVIZ _______________+ | | (1357 - 1433) | _Afonso I BRAGANZA ________| | | (1377 - 1461) m 1400 | | | |_Inés PIRES _______________ | | |_Isabella of BRAGANZA _| (1402 - 1466) | | ____________________________ | | |_Beatriz PEREIRA DE ALVIM _| (1380 - 1414) m 1400 | |____________________________