Diane of Cossé-Brissac (1869-1950) (1869–1950) Parents Jeanne-Marie Say Roland de Cossé-Brissac Children Princess Isabelle de Ligne Princess Marie Béatrix de Ligne Eugène, 11th Prince of Ligne Siblings François de Cossé-Brissac, 11th Duke of Brissac Partners Ernest, 10th Prince of Ligne
