Mezue ahịrịokwu na-esonụ: N'oge Agha Silesian nke Mbụ, Gessler pụtara ìhè na Mollwitz na na Chotusitz, nke ọ duziri ndị agha na-agba ịnyịnya nke Wilhelm Dietrich von Buddenbrock. Mgbe agha ahụ gasịrị, a kwalitere Gessler ka ọ bụrụ "Generalleutnant" ma nye ya Order nke Black Eagle. N'agha nke Hohenfriedberg, njem ya na Bayreuth Dragoon Regiment, nke e jidere ọkọlọtọ 67, ghọrọ otu n'ime mwakpo kachasị ama ama nke ndị agha ịnyịnya Prussia. N'ime
Agha nke Kesselsdorf na 15 Disemba 1745, Gessler duziri ndị agha ịnyịnya nke aka nri.