"Johann Adolf I, Duke of Saxe-Weissenfels (2 November 1649, in Halle – 24 May 1697, in Weissenfels), was a duke of Saxe-Weissenfels-Querfurt and member of the ...
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House of Wettin.He was the first son of Augustus, Duke of Saxe-Weissenfels, and his first wife, Anna Maria of Mecklenburg-Schwerin." - (en.wikipedia.org 30.01.2020)
