Le Nain, Mathieu (1607-77) (attr. to); French. Medium: oil on canvas. Date: 17th Century. Copy of XIR 360276, original portrait attributed to Mathieu Le Nain; favourite of King Louis XIII of France; conspirator against Cardinal Richelieu; executed for treason in Lyon; see also XIR 191389 (copy); Provenance: Private Collection / Giraudon. Photographic Rights The Bridgeman Art Library.