Who married Infante Carlos, Count of Montemolin?

Carlos Luis María de Borbón (31 January 1818 – 13 January 1861) was the Carlist claimant to the throne of Spain under the name Carlos VI after his father's renunciation in 1845. He used the title Conde de Montemolín (Count of Montemolín).

Princess Maria Carolina Ferdinanda of Bourbon-Two Sicilies (29 November 1820 – 14 January 1861) was a princess of the House of Bourbon-Two Sicilies and an infanta of Spain through her marriage to Infante Carlos, Count of Montemolin, Carlist claimant to the throne of Spain under the name Carlos VI. Maria Carolina was a daughter of Francis I of the Two Sicilies and his second wife Maria Isabella of Spain.