About Charles William Ferdinand, Duke of Brunswick
Charles William Ferdinand, Duke of Brunswick-Lüneburg, Prince of Brunswick-Wolfenbüttel (German: Karl Wilhelm Ferdinand; 9 October 1735 – 10 November 1806) was the Prince of Brunswick-Wolfenbüttel and Duke of Brunswick-Lüneburg and a military leader.
His titles are usually shortened to Duke of Brunswick in English-language sources.
He succeeded his father as sovereign prince of the Principality of Brunswick-WolfenbĂĽttel, one of the princely states of the Holy Roman Empire.
The duke was a cultured and benevolent despot in the model of Frederick the Great, and was married to Princess Augusta, a sister of George III of Great Britain.
He was also a recognized master of 18th century warfare, serving as a Field Marshal in the Prussian Army.
During the Napoleonic Wars, he was mortally wounded by a musket ball at the Battle of Jena–Auerstedt in 1806.