 Nyorai kuenderera mberi kweiyi ndima - Mumakore ekutanga ehondo dzeFrance dzeRevolution, Klenau akazviratidza pamitsetse yeWissembourg, uye akatungamirira kurwisa kwakakunda muhondo paHandschuhsheim muna 1795. Semutungamiri weChimurenga cheChimurenga muAdige mushandirapamwe kuchamhembe kweItaly muna 1799, akabatsira mukuzviparadzanisa nenhare dzeFrance paRwizi rwePo nekuronga nekutsigira kumukira kwevarimi kumaruwa. Pashure pacho, Klenau akava mutevedzeri womukuru mukuru weuto muduku zvikuru munhau yeuto reHabsburg. 