Caulaincourt, Armand de, a French general and statesman of the Empire, a faithful supporter of Napoleon, who conferred on him a peerage, with the title of Duke of Vicenza, of which he was deprived at the Restoration; represented Napoleon at the Congress of Châtillon (1772‒1827).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Caul * Caus, Salomon de