The coat of arms of the cardinal-duc de Richelieu et de Fronsac.
Cardinal Armand-Jean du Plessis, Duke of Richelieu and of Fronsac (born 9 September 1585, Richelieu, Poitou, France—died 4 December 1642, Paris) was a French noble and statesman, and a clergyman and cardinal of the Catholic Church.