Antoniette zu Sayn-Wittgenstein-Berleburg (1839–1918) Parents Ludwig zu Sayn-Wittgenstein-Berleburg Princess Leonilla Bariatinskaya Children Ludovico Chigi Albani della Rovere Eleonora Chigi Albani della Rovere Francesco Chigi Siblings Marie Prinzessin zu Sayn-Wittgenstein-Berleburg Theodor Friedrich Fürst zu Sayn-Wittgenstein-Berleburg Alexander Graf von Hachenburg Peter zu Sayn-Wittgenstein Partners Mario Chigi Albani della Rovere