What is Frederick William III of Prussia?
{{Infobox royalty | name = Frederick William III | title =King of Prussia; Elector of Brandenburg | image =FWIII.jpg | caption = | reign =16 November 1797 – 7 June 1840 | coronation = | predecessor =[[Frederick William II of Prussia|Frederick William II]] | successor =[[Frederick William IV of Prussia|Frederick William IV]] | spouse =[[Louise of Mecklenburg-Strelitz]]<br/>[[Auguste von Harrach|Auguste Gräfin von Harrach]]''([[Morganatic marriage|morganatic]])'' | issue =[[Frederick William IV of Prussia]]<br/>[[William I, German Emperor|William I of Germany]]<br/>[[Alexandra Feodorovna (Charlotte of Prussia)|Alexandra, Empress of Russia]]<br/>Princess Frederica<br/>[[Prince Charles of Prussia|Prince Charles]]<br/>[[Princess Alexandrine of Prussia|Princess Alexandrine]]<br/>Prince Ferdinand<br/>[[Princess Louise of Prussia (1808-1870)|Princess Louise]]<br/>[[Prince Albert of Prussia (1809-1872)|Prince Albert]] | house =[[House of Hohenzollern]] | father =[[Frederick William II of Prussia|Frederick William II]] | mother =[[Frederika Louisa of Hesse-Darmstadt]] | birth_date =3 August 1770 | birth_place =[[Potsdam]], [[Kingdom of Prussia|Prussia]] | death_date =7 June 1840 (age 69) | death_place =[[Berlin]] | burial_place= | religion =[[Calvinism]] }} '''Frederick William III''' ({{lang-de|Friedrich Wilhelm III.}}) (3 August 1770 – 7 June 1840) was king of [[Kingdom of Prussia|Prussia]] from 1797 to 1840. ==Life== Frederick William was born in [[Potsdam]] in 1770 as the son of [[Frederick William II of Prussia|Friedrich Wilhelm II of Prussia]] and [[Frederika Louisa of Hesse-Darmstadt]]. He was considered to be a shy and reserved boy,<ref>see Franz Blei: ''Königin Luise von Preußen''. In: ''Gefährtinnen''. Berlin 1931, S. 68 f.</ref> As a [[soldier]] he received the usual training of a Prussian prince, obtained his [[lieutenant|lieutenancy]] in 1784, became a [[colonel]] in 1790, and took part in the campaigns aga