María de las Mercedes, Princess of Asturias Spanish princess and Spanish infanta (1880–1904) (1880–1904) Parents Maria Christina of Austria Alfonso XII of Spain Children Infante Ferdinand of Spain Infanta Isabel Alfonsa of Spain Infante Alfonso, Duke of Calabria Siblings Infanta Maria Teresa Isabel of Spain Alfonso XIII Alfonso Sanz y Martínez de Arrizala Fernand Sanz Partners Prince Carlos of the Two Sicilies
