Louis Charles Folliot de Crenneville Louis Charles Folliot de Crenneville ( 3 July 1763 – 21 June 1840 ) joined the French royal navy in the 1770s . During the French Revolution he abandoned the First French Republic and became an Émigré . Soon afterward , he tendered his services to Habsburg Austria . He earned promotion to general officer during the Napoleonic Wars and fought in all the major campaigns against his former country . He led a division during the War of the Sixth Coalition and remained in Austrian service until his death . Life . Louis Charles Folliot de Crenneville was born in Metz on July 3 , 1763 . Early , he chose a military career . In 1778 , he became an officer in the French Navy , where he remained until 1791 . In 1792 , he searched for a way to remain serviceable and loyal to his King . He remained in the Royal Navy and fought in various French colonies against the French revolutionaries . In 1793 , Charles Folliot became a cadet in the 1st regiment of light horse " Kaiser " . In 1794 , he was promoted to lieutenant . Charles Folliot was rapidly promoted to lieutenant . In 1797 , he was promoted to captain , and was put in charge of the shipment of Austrian troops for the expedition of Istria and Dalmatia . In 1798 , Folliot was sent to St . Petersburg with Prince Ferdinand of Württemberg . On his return , he was promoted to Major and was appointed orderly officer to Prince Ferdinand of Austria . In 1800 , he served with the 6th Regiment of Dragoons of Saxe - Coburg . He fought at Engen and Hohen . Then , Louis Folliot was promoted to colonel and took command of his regiment . When this regiment was disbanded in 1801 , Charles Folliot was appointed Generaladjutant by the Austrian Archduke Charles Louis of Austria . The March 9 , 1805 , he was promoted to Generalmajor . In April 1805 he was sent to Venice to defend the city against the French . After this mission , Folliot was named " Adlatus " the headquarters of the army in Germany . In 1806 , Louis was appointed Commanding General Folliot Fiume , Croatia . During the winter of 1807 he fought in Slavonia . He then went to Bohemia , as commander of a brigade . During the 1809 campaign , Folliot commanded the vanguard of the army corps of General Johann Kollowrat . He then fought in Regen , on the river Naab , and near Linz . In spring 1813 , the Earl of Crenneville was promoted Feldmarschalleutnant . As division commander , he distinguished himself at the battle of Dresden , then at the battle of Leipzig . He took a redoubt in Hochheim am Main , near Mainz , November 9 , with two pistols and a flag . In 1814 , he fought at Laferté - sur - Aube . He also participated in the fighting at Arcis - sur - Aube , 20 March 1814 . On 1 June , the Emperor of Austria awarded him the Knight ' s Cross of the Military Order of Maria Theresa , and made him the second colonel proprietor of the " Erzherzog Franz " Cuirassier Regiment Nr . 2 . In 1815 , Folliot of Crenneville commanded the vanguard of the Austrian army in Piedmont and fought Meillerie , June 21 , and Saxons and Great St Genix , June 28 He then captured the towns of Chalon - sur - Saône and Lyon . In 1823 , Count Crenneville was appointed advisor to the Rainier Archduke of Austria , viceroy of Lombardy - Venetia . In 1831 he was promoted to the rank of " General der Kavallerie . He was finally appointed commander of the Austrian Gardes du Corps Regiment in Vienna . He kept this honorific title until his death , on 21 June 1840 . Folliot de Crenneville was the great - grandfather of Austrian writer and translator Hermynia Zur Mühlen .