Prince Ferdinando, Duke of Castro Head of the House of Bourbon-Two Sicilies (1973-2008) (1926–2008) Parents Countess Maria Carolina Zamoyska Prince Ranieri, Duke of Castro Children Prince Carlo, Duke of Castro Princess Béatrice of the Two Sicilies Princess Anne of the Two Sicilies Siblings Princess Maria del Carmen of the Two Sicilies Partners Princess Chantal, Duchess of Castro