 Charles Mathieu Isidore Decaen

Charles Mathieu Isidore Decaen (13 April 1769 – 9 September 1832) was a French general who served during the French Revolutionary Wars, as Governor General of Pondicherry and the Isle de France (now Mauritius) and as commander of the Army of Catalonia during the Napoleonic Wars.Decaen, born in Caen, served as a gunner in the French Navy before the French Revolution.