Father: Gaston IV FOIX #67730
Mother: Eleanor of TRASTÁMARA #67415
_Archambaud GRAILLY ______ | (1330 - 1412) _John I FOIX _________| | (1382 - 1436) m 1422 | | |_Isabella of FOIX ________ | (1361 - 1428) _Gaston IV FOIX _________| | (1422 - 1472) | | | __________________________ | | | | |_Jeanne of ALBRET ____| | m 1422 | | |__________________________ | | |--Catherine of FOIX | (1455 - 1494) | _Ferdinand I TRASTÁMARA _+ | | (1380 - 1416) | _John II TRASTÁMARA _| | | (1398 - 1478) | | | |_Eleanor of IVREA ________+ | | (1374 - 1435) |_Eleanor of TRASTÁMARA _| (1425 - 1478) | | _Charles III ÉVREUX _____+ | | (1361 - 1425) |_Blanche of ÉVREUX __| (1387 - 1441) | |_Eleanor of TRASTÁMARA __+ (1363 - 1415)