_John of Gaunt PLANTAGENET _+ | (1339 - 1398) _Henry IV LANCASTER _____| | (1367 - 1412) m 1380 | | |_Blanche of PLANTAGENET ____+ | (1342 - 1368) _Henry V LANCASTER ___| | (1386 - 1422) m 1420 | | | _Humphrey DE BOHUN _________+ | | | (1340 - 1372) | |_Mary DE BOHUN __________| | (1370 - 1394) m 1380 | | |_Joan FITZALAN _____________+ | (1347 - 1419) | |--Henry VI LANCASTER | (1421 - 1471) | _Charles V VALOIS __________+ | | (1337 - 1380) | _Charles VI VALOIS ______| | | (1368 - 1422) m 1385 | | | |_Joanna OF BOURBON _________ | | (1337 - 1377) |_Catherine of VALOIS _| (1401 - 1436) m 1420 | | _Stephen III WITTELSBACH ___+ | | (1337 - 1413) |_Isabeau of WITTELSBACH _| (1370 - 1435) m 1385 | |_Taddea VISCONTI ___________+ (1351 - 1381)