 Nyorai kupfuurira kweiyi ndima - Pakazosvika 1630 akanga awana chinzvimbo che Obristwachtmeister, uye mushure mekuzviratidza paHondo yekutanga yeBreitenfeld, uko uto reHumambo rakaparadzwa uye Mercy akakuvadzwa, akatungamira chikwata chevanhu vane chinzvimbo che Obrist paRhine. Akadzivisa kurwisa kweSweden kwaitungamirirwa naGustaf Horn paKonstanz muna 1633. Kumunununa wake Ludwig akaberekwa muna 1614, uyo akafa nekukuvara kwake pazera remakore gumi nemapfumbamwe musi wa6 Gumiguru 1633 nguva pfupi mushure mekurwiswa kwekupedzisira nevaSweden, Franz von Mercy akaita epitaph yebronze yehunyanzvi yakaitwa muKonstanz Minster, iyo ichiri kuchengetedzwa nanhasi. Musi wa 2 Kurume 1634, Mercy akabatwa muhondo pedyo neThann achipesana naRhine Count Otto Louis weSalm-Kyrburg-Mörchingen. Akashandurwa uye kubva muna Kubvumbi zvichienda mberi akadzivirira Rheinfelden kubva pakukombwa kweSweden, achizvipa musi wa 29 Nyamavhuvhu mushure mekupera kwechikafu. 