_Edmund of Langley PLANTAGENET _+ | (1341 - 1402) _Richard of Conisbrough YORK _| | (1375 - 1415) | | |_Isabella of IVREA _____________+ | (1355 - 1392) _Richard YORK _______| | (1411 - 1460) m 1424| | | _Roger DE MORTIMER _____________ | | | | |_Anne DE MORTIMER ____________| | (1388 - 1411) | | |________________________________ | | |--Elizabeth OF YORK | (1444 - 1502) | _John DE NEVILLE _______________+ | | (1337 - 1388) m 1357 | _Ralph DE NEVILLE ____________| | | (1364 - 1425) | | | |_Maud DE PERCY _________________ | | (1335 - 1378) m 1357 |_Cecily of NEVILLE __| (1415 - 1495) m 1424| | _John of Gaunt PLANTAGENET _____+ | | (1339 - 1398) |_Joan BEAUFORT _______________| (1375 - 1440) | |_Katherine ROET ________________+ (1350 - 1403)