Wife: Blanche II of TRASTÁMARA
_John I TRASTÁMARA ________+ | (1358 - 1390) _Henry III TRASTÁMARA ___| | (1379 - 1406) | | |_Eleanor of BARCELONA ______ | (1357 - 1382) _John II TRASTÁMARA __| | (1404 - 1454) | | | _John of Gaunt PLANTAGENET _+ | | | (1339 - 1398) | |_Catherine of LANCASTER __| | (1373 - 1418) | | |_Constance of IVREA ________+ | (1354 - 1393) | |--Henry IV TRASTÁMARA | (1424 - 1474) | _John I TRASTÁMARA ________+ | | (1358 - 1390) | _Ferdinand I TRASTÁMARA _| | | (1380 - 1416) | | | |_Eleanor of BARCELONA ______ | | (1357 - 1382) |_Maria of TRASTÁMARA _| (1402 - 1444) | | _Sancho Alfonso IVREA ______+ | | (1342 - 1373) |_Eleanor of IVREA ________| (1374 - 1435) | |_Beatrice of BURGUNDY ______+ (1347 - 1381)