Prince of Sayn-Wittgenstein-Ludwigsburg-Berleburg
Louis Adolf Peter, 1st Prince of Sayn-Wittgenstein-Ludwigsburg-Berleburg (German: Ludwig Adolf Peter Fürst zu Sayn-Wittgenstein-Berleburg; Russian: Пётр Христианович Витгенштейн), better known as Peter Wittgenstein in English, was a Prince of the German dynasty Sayn-Wittgenstein and Field Marshal in the Imperial Russian Army during the Napoleonic wars.
"Peter Wittgenstein", by George Dawe (St James's, Westminster 1781 - Kentish Town 1829).
