Anne Mary of Hesse-Kassel German countess (1567–1626) Parents Duchess Sabine of Württemberg William IV, Landgrave of Hesse-Kassel Children William Louis of Nassau-Saarbrücken John of Nassau-Idstein Otto of Nassau-Neuweilnau Ernest Casimir of Nassau-Weilburg Siblings Christine of Hesse-Kassel Maurice, Landgrave of Hesse-Kassel Hedwig of Hesse-Kassel Philipp Wilhelm von Cornberg Partners Louis II of Nassau-Weilburg