Bertha of Westerburg German countess (1356–1418) Parents Kunigunde von Sayn Johann I, Herr von Westerburg Children Margaret of Nassau-Wiesbaden-Idstein Adolf II of Nassau-Wiesbaden-Idstein Siblings Johann II, Herr von Westerburg Reinhard II of Westerburg Partners Walram IV of Nassau-Wiesbaden-Idstein
