Whakaotihia te rerenga e whai ake nei: Ko Wilhelm Christoforovich Derfelden (; 1737 <unk> 20 Mahuru 1819) he rangatira rangatira o te Imperial Russian o te Cavalry mai i te whanau o Baltic German. I whawhai ia i te Pakanga a Ruhia-Turiki o te 1768<unk>1774, Pakanga a Ruhia-Turiki o te 1787<unk>1792,
Polish-Russian War o 1792, me te Kościuszko Uprising o 1794. I roto i te pakanga whakamutunga i arahi ia i nga hoia i nga pakanga o Chełm me Praga. Whai muri i te wa o te kore mahi, ka uru atu ia ki te ope a Alexander Suvorov i te 1799 hei kaiako hoia ki a Grand Duke Konstantin Pavlovich o Russia. I muri mai ka arahi ia i tetahi roopu i Novi, Gotthard Pass, me te pakanga a Suvorov i Switzerland.