Luisa Carlotta of Naples and Sicily (Luisa Carlotta Maria Isabella; 24 October 1804 – 29 January 1844), was an Italian royal, who was an Infanta of Spain and a daughter of King Francis I of the Two Sicilies. Early life Luisa Carlotta was born at the Palace of Portici, the eldest child of King Francis I and of his wife, Infanta María Isabella of Spain. Her maternal grandparents were King Charles IV of Spain and Queen Maria Luisa of Spain. Luisa Carlotta had eleven younger siblings, including King Ferdinand II of the Two Sicilies. Princess of Spain On 12 June 1819 in Madrid, 14-year-old Luisa Carlotta married her maternal uncle Infante Francisco de Paula of Spain. He was ten years older than Luisa Carlotta. Luisa Carlotta played an important role during the sickness of Ferdinand VII to ensure that her niece, Isabella, became heiress to the Spanish throne instead of her uncle Carlos. She supported the new succession law issued by the king. When the king Ferdinand VII was suffering from a very severe gout attack that many feared would end his life (1832), a huge variety of characters, including the ambassador of Naples and her own confessor, harassed the Queen of Spain to persuade her to renounce the dynastic rights of her daughters in favor of Carlos, to avoid the horrors of a civil war. The queen crumbled under the pressures and got her agonizing husband to repeal the Pragmatic Sanction of 1830. This meant that the king's daughters would lose their right to the throne, in favor of the king's brother. When the Counsel of Castile, an organ that favored a transition towards constitutionalism, learned about this, they sent word to Luisa Carlotta who was famous for her determination and strong personality, in hopes that she could persuade the queen to change her mind again. Luisa Carlotta rode nonstop after receiving the news and arrived to La Granja, unannounced, four days after the Pragmatic Sanction had been repealed. She went to find her sister, to whom she recriminated her lack of spine and who she called "regina di gallería". Afterwards she went to find prime minister Tadeo Calomarde, with whom she had another face off. It is said that she was involved in an incident during the sickness of the Spanish monarch regarding this issue: when the Spanish king lay sick expecting death (1832), Luisa Carlotta tried to