The Princess of Éboli was a title held by Ana de Mendoza, born in 1540. She was the daughter of the Duke of Éboli and became a prominent figure in the Spanish court during the reign of King Philip II. Known for her beauty and intelligence, she played a significant role in the political intrigues of her time. Ana de Mendoza was married to Ruy Gómez de Silva, a powerful nobleman. Her life was marked by scandal, particularly her rumored affair with Don Juan of Austria, which led to her eventual downfall. She spent her later years in confinement, reflecting the turbulent nature of court politics in 16th-century Spain.