Adelaide of Nassau-Hadamar German countess (1345–1390) Parents Elisabeth of Waldeck John of Nassau-Hadamar Children Siblings Emicho of Nassau-Hadamar Henry of Nassau-Hadamar Helena of Nassau-Hadamar John of Nassau-Hadamar Emicho III of Nassau-Hadamar Elisabeth av Nassau-Hadamar Anne of Nassau-Hadamar Emicho of Nassau-Hadamar Elichin of Nassau-Hadamar Partners William I of Castell