"Prince Frederick Ferdinand Constantin of Saxe-Weimar-Eisenach (8 September 1758 in Weimar – 6 September 1793 in Wiebelskirchen, now part of Neunkirchen) was a titular Duke of ...
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Saxe-Weimar-Eisenach and a major general in the army of the Electorate of Saxony. He lived during the Age of Enlightenment." - (en.wikipedia.org 16.11.2019)
