"Augustus of Saxe-Weissenfels (Dresden, 13 August 1614 – 4 June 1680, Halle), was a Duke of Saxe-Weissenfels-Querfurt of the House of Wettin and administrator of the Archbishopric of Magdeburg.
He was the fourth (but second surviving) son of John George I, Elector of Saxony, and his second wife, Magdalene Sibylle of Prussia." - (en.wikipedia.org 29.01.2020)
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