Whakaotihia te rerenga e whai ake nei: Ko te ope taua 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. Ki te mate o Gustavus Adolphus me te
I muri i te aitua i Nördlingen, ka uru te ope a Bernhard o Saxe-Weimar 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).