Henri Coiffier de Ruzé, Marquis of Cinq-Mars, French conspirator (born 1620)

Henri Coiffier de Ruzé, Marquis of Cinq-Mars

Louis XIII of France's favourite (1620–1642)

Henri Coiffier de Ruzé, Marquis of Cinq-Mars was a favourite of King Louis XIII of France, who led the last and most nearly successful of many conspiracies against the Cardinal Richelieu, the king's powerful first minister.