Tuhia he tomokanga mo tenei waahanga - Ko te reimana tetahi waahanga o te ope iti i whakaarahia e Bernhard o Saxe-Weimar i te 1631 ki te awhina i a Gustavus Adolphus ki te emepara i te Pakanga Toru tekau Tau. I whawhai tahi te rerenga me te ope taua a Sweden i Breitenfeld, Rain me Lützen. I te matenga o Gustavus Adolphus me te parekura i Nördlingen
Ko te ope a Bernhard o Saxe-Weimar i uru ki te ratonga French i te 26 o Oketopa 1635. I tenei wa i whakahaua te reimana e Colonel Trefsky me te kawe i tona ingoa: "Trefsky-Cavalerie" (Trefsky Cavalry).