_Guy I LUXEMBOURG _____+ | (1340 - 1371) m 1354 _John LUXEMBOURG _____| | (1370 - 1397) | | |_Mahaut of CHÂTILLON _ | (1335 - 1378) m 1354 _Peter LUXEMBOURG ___| | (1390 - 1433) m 1405| | | _______________________ | | | | |_Margaret of ENGHIEN _| | (1365 - ....) | | |_______________________ | | |--Isabelle of LUXEMBOURG | | _______________________ | | | ______________________| | | | | | |_______________________ | | |_Margaret of BAUX ___| (1394 - 1469) m 1405| | _______________________ | | |______________________| | |_______________________