"Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel (8 February 1766 in London – 20 September 1806 in Antoinettenruh) was the heir to the Duchy of Brunswick ...
[Mehr lesen]
as the eldest son of Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel and Princess Augusta of Great Britain." - (Wikipedia (en) 29.10.2020)