This act appeared to have ended the longstanding differences over the titles used by the two branches of the House of the Two Sicilies. The signing of the act of reconciliation was done in the presence of the Duchesses of Noto and Castro, the Duke of Noto's mother, the Duchess of Calabria, the Duke of Noto's sisters, Maria and Inés, and their husbands, Archduke Simeon and Michele Carrelli Palombi, their aunt, Princess Teresa, Marquesa de Laserma, the Duke of Castro's sister, Princess Napoleon, Prince Casimiro of Bourbon-Two Sicilies and his wife Princess Margherita, and the Duke of Braganza. Owing to his state of health, the Infante Don Carlos, Duke of Calabria was unable to attend the ceremony.