"Prince William of Saxe-Gotha-Altenburg (German: Wilhelm Carl Christian von Sachsen-Gotha-Altenburg; 12 March 1701, Gotha - 31 May 1771, Tonna) was a German prince of the Saxe-Gotha-Altenburg ...
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house, a junior line of the Ernestine Wettins. He served as a Generalfeldzeugmeister in the armies of the Holy Roman Empire." - (en.wikipedia.org 14.06.2020)
