Juan de Pareja
Juan de Pareja was a Spanish painter. He was born near Málaga in 1606 or 1610 and died 1670 in Madrid.  De Pareja was a slave. He is known mostly as a member of the household and workshop of painter Diego Velázquez. Velázquez freed him in 1650. His 1661 work The Calling of Saint Matthew (sometimes also referred to as The Vocation of Saint Matthew) is on display at the Museo del Prado in Madrid, Spain.