Infante Alfonso, Duke of Calabria Spanish and Bourbon-Two Sicilian Royal (1901–1964) Parents María de las Mercedes, Princess of Asturias Prince Carlos of the Two Sicilies Children Infante Carlos, Duke of Calabria Princess Teresa, Duchess of Salerno Inés de Borbón-Dos Sicilias Siblings Princess María de los Dolores of Bourbon-Two Sicilies Infante Ferdinand of Spain Princess María de la Esperanza of Bourbon-Two Sicilies Prince Carlos of Bourbon-Two Sicilies Infanta Isabel Alfonsa of Spain Infanta María de las Mercedes, Countess of Barcelona Partners Infanta Alicia, Duchess of Calabria
