Infanta Maria Teresa was a Spanish princess born on July 12, 1638, in Madrid. She was the daughter of King Philip IV of Spain and Mariana of Austria. Maria Teresa is best known for her marriage to Louis XIV of France, which helped strengthen the ties between Spain and France during the 17th century. Maria Teresa became the Queen of France upon her marriage in 1660. She was known for her beauty and grace, and her union with Louis XIV produced several children. Despite her royal status, she faced challenges in her marriage, including the king's numerous affairs, but she remained a significant figure in European history.