Tags: Noble.
Don Gaspar de Guzmán y Pimentel Ribera y Velasco de Tovar Count of Olivares and Duke of San Lúcar la Mayor Grandee of Spain (Spanish: Gaspar de Guzmán y Pimentel conde-duque de Olivares also known as Conde de Olivares y duque de Sanlúcar la Mayor Grande de España) (January 6 1587 – July 22 1645) was a Spanish royal favourite of Philip IV and minister. As prime minister from 1621 to 1643 he over-exerted Spain in foreign affairs and unsuccessfully attempted domestic reform.