Francisco Gómez de Sandoval was a prominent Spanish nobleman and politician in the early 17th century. Born in 1553, he became the Duke of Lerma and served as the favorite of King Philip III of Spain. His influence in the royal court allowed him to shape policies and appointments during his time in power. As a key figure in the Spanish monarchy, Sandoval was known for his efforts to centralize authority and manage the kingdom's finances. He played a significant role in the administration, promoting various reforms and overseeing the royal treasury until his fall from grace in 1618.