. . "Duke of Calabria, Count of Caserta" . "1960" . . "Infante Alfonso de Borb\u00F3n-Dos Sicilias y de Borb\u00F3n" . "Princess Teresa Mar\u00EDa" . . "Alfonso of Bourbon-Two Sicilies" . . "The Duke" . "Princess Teresa Mar\u00EDa, Duchess of Salerno" . . . "Don Alfonso, Prince of the Two Sicilies, Infante of Spain" . . . "1964" . . . "Infante Alfonso, Duke of Calabria" . . . "H.R.H. The Duke of Calabria" . ":Infante Alfonso, Duke of Calabria" . . . . . . . "Infante Alfonso of Spain, Duke of Calabria" . . . "Prince Alfonso" . . "Alfonso, Duke of Calabria" . . "Infante Alfonso" . . . . . . "1964" . . . "Prince Alfonso of Bourbon-Two Sicilies" . . . . . "Infante Alfonso, Duke of Calabria" . "Alfonso" . . . "Princess Teresa Mar\u00EDa of Bourbon-Two Sicilies" . . . "1901" . . "Infante Alfonso of Spain, Prince of Bourbon-Two Sicilies" .