_Otto II NASSAU ______+ | (1305 - 1350) _John I NASSAU __________| | (1340 - 1416) m 1357 | | |_Adelheid of Vianden _ | _Englebert I NASSAU __| | (1370 - 1442) | | | ______________________ | | | | |_Margareta of the Marck _| | (1409 - ....) m 1357 | | |______________________ | | |--Maria of NASSAU | (1417 - 1472) | ______________________ | | | _________________________| | | | | | |______________________ | | |_Johanna VAN POLANEN _| (1391 - 1445) | | ______________________ | | |_________________________| | |______________________