_Peter I BURGUNDY __________+
| (1320 - 1366)
_John I AVIZ ___________|
| (1357 - 1433) m 1387 |
| |_Teresa LOURENÇO __________
|
_Peter AVIZ ____________|
| (1392 - 1449) m 1429 |
| | _John of Gaunt PLANTAGENET _+
| | | (1339 - 1398)
| |_Philippa of LANCASTER _|
| (1360 - 1415) m 1387 |
| |_Blanche of PLANTAGENET ____+
| (1342 - 1368)
|
|--Isabel of AVIZ
| (1431 - 1455)
| _Peter II BARCELONA ________+
| | (1340 - 1408)
| _James II BARCELONA ____|
| | (1380 - 1433) |
| | |_Margaret of PALAIOLOGOS ___+
| | (1364 - 1420)
|_Isabella of BARCELONA _|
(1408 - 1459) m 1429 |
| _Peter IV BARCELONA ________+
| | (1319 - 1386)
|_Isabella of BARCELONA _|
(1376 - 1424) |
|_Sibila of FORTIà _________
(.... - 1406)