_Afonso IV BURGUNDY _____+
| (1290 - 1357)
_Peter I BURGUNDY __________|
| (1320 - 1366) |
| |_Beatrice of IVREA ______+
| (1292 - 1359)
_John I AVIZ ___________|
| (1357 - 1433) m 1387 |
| | _________________________
| | |
| |_Teresa LOURENÇO __________|
| |
| |_________________________
|
|
|--Duarte AVIZ
| (1391 - 1438)
| _Edward III PLANTAGENET _+
| | (1312 - 1377) m 1327
| _John of Gaunt PLANTAGENET _|
| | (1339 - 1398) |
| | |_Philippa of AVESNES ____+
| | (1311 - 1369) m 1327
|_Philippa of LANCASTER _|
(1360 - 1415) m 1387 |
| _Henry PLANTAGENET ______+
| | (1310 - 1360)
|_Blanche of PLANTAGENET ____|
(1342 - 1368) |
|_Isabel of BRIENNE ______
(1320 - 1361)