Officier Elite Company hussars 1806 by Detaille. The problem with this is that all other records detail the as wearing a white pelisse with sky blue dolman and overalls. The Red and Royal blue combination shown indicates Hussars.
General Antoine Charles Louis Lasalle by Jean-Baptiste Édouard Detaille, (French Comte de Lasalle was a French cavalry general during the Revolutionary and Napoleonic Wars, often called "The Hussar General". He was killed at the Battle of Wagram.