Infanta Maria Josefa of Spain
Maria Josefa of Spain was a Princess of Naples and Sicily by birth. At the accession of her father to the Spanish throne as Charles III, she became an Infanta of Spain. Born and raised in Naples, she arrived in Spain with her family in October 1759, at age fifteen. She lived at the court of her father and later with her brother Charles IV of Spain. She remained unmarried.
Princess Mara Josefa of Naples and Sicily was born in Gaeta, Naples. She received the name of her maternal grandmother, Maria Josepha of Austria. Her father had been King of Naples and Sicily as part of a Personal Union since 1734. Her parents married in 1738 and Maria Josefa was their first daughter to survive over the age of 5. Her parents fourth child, at the time of her birth she had an older sister Mara Isabel Ana .
Source: Wikipedia