 Guillaume Emmanuel Guignard, vicomte de Saint-Priest

Guillaume Emmanuel Guignard, vicomte de Saint-Priest (4 March 1776 in Constantinople29 March 1814) was a French émigré general who fought in the Russian army during the French Revolutionary Wars and the Napoleonic Wars.He was the eldest son of prominent émigré diplomat François-Emmanuel Guignard, comte de Saint-Priest (1735–1821), one of King Louis XVI of France's last ministers.