Infanta María de las Mercedes, Countess of Barcelona Spanish and Two Sicilian royal (1910–2000) Parents Princess Louise of Orléans Prince Carlos of the Two Sicilies Children Infante Alfonso of Spain Infanta Pilar, Duchess of Badajoz Infanta Margarita, Duchess of Soria Juan Carlos I of Spain 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 Infante Alfonso, Duke of Calabria Infanta Isabel Alfonsa of Spain Partners Infante Juan, Count of Barcelona
