Greco, El (Domenico Theotocopuli) (1541-1614); Greek. Medium: oil on canvas. Date: 1597-1603. San Ildefonso. St Ildefonsus was a Visigoth and Bishop of Toledo 657-667; depicted here writing his defence of the Virgin Mary 'De perpetua virginitate Mariae contra tres infideles'; Provenance: Hospital de la Caridad, Illescas, Toledo, Spain / Giraudon. Photographic Rights The Bridgeman Art Library.