Julie de Villeneuve (1859-1930) (1859–1930) Parents Count Julio Constancio de Villeneuve Anna Maria Cavalcanti de Albuquerque Children Otto-Konstantin Prinz zu Sayn-Wittgenstein-Berleburg Anna Luise Constanzia Prinzessin zu Sayn-Wittgenstein-Sayn Princess Eleonore zu Sayn-Wittgenstein-Sayn Siblings Sophia Cavalcanti d'Albuquerque de Villeneuve Partners Franz Emil Luitpold Prinz zu Sayn-Wittgenstein-Sayn