When was the King of Prussia died under whom Friedrich Wilhelm Ernst Freiherr von Gaudi served as a Lieutenant General?
Friedrich Wilhelm von Gaudi Friedrich Wilhelm Ernst Freiherr von Gaudi (Gaudy) (23 August 1725 in Spandau, Berlin – 13 December 1788 in Wesel) was a Prussian Lieutenant General who served Frederick the Great in the Seven Years' War.
Grand Duchy of the Lower Rhine The Grand Duchy of the Lower Rhine (German: "Großherzogtum Niederrhein" ), or simply known as the Lower Rhine Province ("Provinz Niederrhein "), was a province of the Kingdom of Prussia and existed from 1815 to 1822.