Rubuta ci gaba don wannan sakin layi - Lokacin da juyin juya halin Faransa ya fara, da yawa daga cikin tsoffin rundunonin kasashen waje sun dubi ƙasa bayan da Sarki ya yanke shawarar kawo rundunonin kasashen waje don murkushe, to, tawaye
Ka yi haƙuri. Saboda haka, a ranar 1 ga Janairu, 1791, rundunar ta zama 4éme Régiment de Hussards (Saxe) a kokarin da Majalisar Dokoki ta yi na kawar da tsohuwar tsarin mulkin mallaka da'sojojin kasashen waje'. Saboda yawancin sojojin sun hada da Jamusawa daga kusa da Duchy na Palatinate, kusan dukkanin jami'ai da maza sun yi hijira a ranar 4 ga Mayu, 1792. Lokacin da yawancin maza suka tafi, babban ɓangaren rundunar ta 4 ya kasance, kuma an haɗa shi da sauri tare da rundunar daga marigayi Régiment Royal Allemand Cavalry don samar da "Légion de la Moselle". A shekara ta 1793, an rushe rundunar a hukumance, kuma zuriyar ta daina saboda yawan ƙaura.