Princess Luisa of the Two Sicilies was born on December 21, 1832, in Naples, Italy. She was a member of the royal family of the Two Sicilies, which was a kingdom in southern Italy. Luisa was the daughter of King Ferdinand II of the Two Sicilies and his wife, Maria Theresa of Austria. In 1850, she married Prince Leopold of Bourbon, who later became the Duke of Calabria. The couple had several children, contributing to the lineage of European nobility. Princess Luisa's life was marked by the political changes in Italy during the 19th century, including the unification of Italy.