Ludwig zu Sayn-Wittgenstein-Berleburg Russian aristocrat (1799-1866) (1799–1866) Parents Antonia zu Sayn-Wittgenstein Peter, 1st Prince of Sayn-Wittgenstein-Ludwigsburg Children Theodor Friedrich Fürst zu Sayn-Wittgenstein-Berleburg Peter zu Sayn-Wittgenstein Marie Prinzessin zu Sayn-Wittgenstein-Berleburg Alexander Graf von Hachenburg Antoniette zu Sayn-Wittgenstein-Berleburg Siblings Prince Nikolaus of Sayn-Wittgenstein-Ludwigsburg-Berleburg Emiliya Trubetskaya Partners Princess Leonilla Bariatinskaya Stefania Radziwiłł