William Augustus, Duke of Brunswick-Harburg | |
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![]() William Augustus, Duke of Brunswick-Lüneburg-Harburg | |
Born | Harburg | 15 March 1564
Died | 30 March 1642 Harburg | (aged 78)
Noble family | House of Guelph |
Father | Otto II, Duke of Brunswick-Harburg |
Mother | Hedwig of East Frisia |
Duke William Augustus of Brunswick-Lüneburg-Harburg (15 March 1564 in Harburg – 30 March 1642 in Harburg) was Duke of Brunswick-Lüneburg-Harburg.