_Edward II PLANTAGENET _+ | (1284 - 1327) m 1307 _Edward III PLANTAGENET _| | (1312 - 1377) m 1327 | | |_Isabella of FRANCE ____ | (1292 - 1358) m 1307 _John of Gaunt PLANTAGENET _| | (1339 - 1398) | | | _William III AVESNES ___+ | | | (1286 - 1337) | |_Philippa of AVESNES ____| | (1311 - 1369) m 1327 | | |_Joan of VALOIS ________+ | (1294 - 1341) | |--Philippa of LANCASTER | (1360 - 1415) | _Henry PLANTAGENET _____+ | | (1281 - 1345) m 1296 | _Henry PLANTAGENET ______| | | (1310 - 1360) | | | |_Maud CHAWORTH _________+ | | (1281 - 1322) m 1296 |_Blanche of PLANTAGENET ____| (1342 - 1368) | | ________________________ | | |_Isabel of BRIENNE ______| (1320 - 1361) | |________________________