Friedrich von Kielmansegg was the son of
Ratzeburg chemist Friedrich von Kielmansegg (1728-1800). His brother was a senior officer in the military, while his younger brother became Minister of War. Kielmannsegg joined the military service of the Electorate of
Brunswick-Lüneburg. The 1803
Convention of Artlenburg ended his military career and at first he withdrew to the family estate in
Holstein. In the
German Campaign of 1813 he was a colonel of collective defence at his personal expense (36,000 old
taler). The same year he established his corps of
jägers the
Korps der Kielmannseggeschen Jäger. The corps was disbanded in 1814. Kielmannsegg was promoted to major general in 1815 and the same year led the Hanoverian Brigade at the battles of
Quatre Bras and
Waterloo. In 1816 he joined the new army of the Kingdom of Hanover and remained on active duty until 1832, becoming a lieutenant-general. He joined the Hannover
Freemasons in 1839. He died on 18 July 1851 in Hanover at the age of 82. == Awards ==