Margaret of Nassau-Weilburg German countess (1370-1427) (1370–1427) Parents Joan of Saarbrücken John I of Nassau-Weilburg Children Anna of Veldenz, Countess Palatine of Simmern-Zweibrücken Siblings Joan of Nassau-Weilburg Agnes of Nassau-Weilburg Schonetta of Nassau-Weilburg John of Nassau-Weilburg Johannetta of Nassau-Weilburg Philip I of Nassau-Weilburg Partners Frederick III of Veldenz