Nicolas Oudinot, Count Oudinot and Duke of Reggio was a key protagonist of the French Revolutionary Wars and on Napoleon's abdication he rallied to the new government and was made a Peer of France by the Bourbon Restoration King Louis XVIII and remained loyal to the king during Napoleon's return in 1815.
We are indebted to Dr Dimitri Gorchkoff for providing the identification of the sitter on the basis of a photograph.