Ernest Casimir of Nassau-Weilburg Count of Nassau-Weilburg (1627-1655) (1607–1655) Parents Anne Mary of Hesse-Kassel Louis II of Nassau-Weilburg Children Maria Eleonora von Eberstein Frederick of Nassau-Weilburg Siblings John of Nassau-Idstein Otto of Nassau-Neuweilnau William Louis of Nassau-Saarbrücken Partners Anna Maria de Sayn-Wittgenstein-Homburg