Friedrich Adolf Rudolf von Trümbach
Friedrich Adolph Rudolph von Trümbach, royal Prussian major and chef (commanding officer) of a freikorps. He came from an old imperial knightly family, of cantons Rhön and Werra; In 1758 he transferred from Hessian to Prussian service, in which he raised a freikorps, which went by the name of Volontaires de Prusse, and made himself very useful to the Allied army fighting the French. In 1763, this corps was reduced, and he, too, received his discharge, whereupon he went to Denmark, where he recruited a corps of hussars, and still lived in 1786 as a major general in his 63rd year.
Anton Balthasar König: Friedrich Adolpf Rudolph von Trümbach. In: Biographisches Lexikon aller Helden und Militairpersonen, welche sich in Preußischen Diensten berühmt gemacht haben. Vierter Theil. Arnold Wever, Berlin 1791, p. 112f.
Friedrich Adolf Rudolf von Trumbach
Friedrich Adolf Rudolf von Trumbach or Trümbach (also Trimbach), major and chef (commanding officer) of a freicorps. In 1758, having transferred from Hessian to Prussian service, he raised a freicorps named “Volontaires de Prusse”, with which he was very active in the allied army. When the corps was reduced in 1763, he received his discharge, whereupon he went to Denmark.
Eduard Lange: Die Soldaten Friedrich's des Großen (Leipz. 1853)