page_title: Frederick William, Duke of Brunswick-Wolfenbüttel
hierarchical_section_title: Frederick William, Duke of Brunswick-Wolfenbüttel
caption_attribution_description: English: Portrait of Frederick William, Duke of Brunswick-Wolfenbüttel (1771-1815) Deutsch: Herzog Friedrich Wilhelm von Braunschweig-Oels, genannt der Schwarze Herzog
context_page_description: Frederick William, Duke of Brunswick-Wolfenbüttel, was a German prince and Duke of Brunswick-Lüneburg and Oels. Nicknamed "The Black Duke", he was a military officer who led the Black Brunswickers against French domination in Germany. He briefly ruled the state of Brunswick-Wolfenbüttel from 1806 to 1807 and again from 1813 to 1815.
context_section_description: Frederick William, Duke of Brunswick-Wolfenbüttel (German: Friedrich Wilhelm; 9 October  1771 – 16 June 1815), was a German prince and Duke of Brunswick-Lüneburg and Oels.  Nicknamed "The Black Duke", he was a military officer who led the Black Brunswickers against French domination in Germany. He briefly ruled the state of Brunswick-Wolfenbüttel from 1806 to 1807 and again from 1813 to 1815.
caption: Painting by Johann Christian August Schwartz (1809)
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