Otto-Konstantin Prinz zu Sayn-Wittgenstein-Berleburg (1878-1955) (1878–1955) Parents Julie de Villeneuve Franz Emil Luitpold Prinz zu Sayn-Wittgenstein-Sayn Children Gottfried Prinz zu Sayn-Wittgenstein-Berleburg Casimir Sayn-Wittgenstein Alexandra Juliane Prinzessin zu Sayn-Wittgenstein-Berleburg Franz Wilhelm Prinz zu Sayn-Wittgenstein-Berleburg August Prinz zu Sayn-Wittgenstein-Berleburg Siblings Anna Luise Constanzia Prinzessin zu Sayn-Wittgenstein-Sayn Princess Eleonore zu Sayn-Wittgenstein-Sayn Partners Elisabeth Prinzessin zu Sayn-Wittgenstein-Berleburg Ilse Lampi