Ludwig Georg Thedel Graf von Wallmoden (6 February 1769 – 22 March 1862) was an Austrian General of the Cavalry, best known for his training of light infantry and the refinement of the Tirailleur system. As a grandson of George II of Great Britain and first cousin of George III, he is perhaps the only individual from that generation to have been photographed, within the broader British royal family. Early life and ancestry Born into the House of Wallmoden, he was the second son of Johann Ludwig Reichsgraf von Wallmoden-Gimborn (1736–1811) and his first wife, Charlotte Christiane Auguste Wilhelmine von Wangenheim (1740–1783). At the time of Ludwig's birth, his father was British ambassador in Austria. Johann was an illegitimate son of George II of Great Britain by his mistress Amalie von Wallmoden. She was married to Adam Gottlieb, Count Wallmoden (1704–1752), but for a payment of 1000 Ducats the Count was prepared to defer his claims on his wife to George, and was finally separated from her in 1740. Biography Wallmoden first entered the Hanoverian army, and then in 1790 the Prussian Army. While serving in the Prussian army as a captain in Wolfradt's hussars he distinguished himself at the battle of Kaiserslautern winning the Pour le Mérite but was simultaneously bayoneted in the chest. After the Peace of Basel (5 April 1795) Wallmoden joined the Austrian army as second captain in Vecsey's Hussars.on 1 January 1797 he was promoted to first captain and joined Karaczay-Chevaulegers. On 16 April that year he was promoted to major and joined the quartermaster service. On 7 June 1798 he was transferred to the Dragoon Regiment No. 2. On 3 August of the same year he was promoted to lieutenant colonel in Ulanenregimente No. 1 and to colonel of the same regiment on 16 August 1800. In 1809 Wallmoden completed the negotiations in London as to the "Subsidienvertrag" between Austria and Great Britain. On his return to Vienna, he distinguished himself a brigadier-general at the Battle of Wagram. On 6 July, the second day of battle, Wallmoden was responsible for the left flank of the III Corps. He ordered an attack by the Liechtenstein Hussars who were on the enemy's right flank, which succeeded in disrupting the enemy and in the capture of nine guns. During the withdrawal of the Austrian army to Moravia, the VI Corps formed the rearguard. Wallmoden led the Liechtenstein