 Complete the following phrase:  Christoph II, Burggraf and Count of Dohna-Schlodien 25 October 1702 in Schlodien  19 May 1762 in Berlin was a Prussian general. He was the son of Christopher I, Burgrave and Count of Dohna-Schlodien 16651733. He served in the armies of Frederick William I of Prussia and his son, Frederick II, in the Silesian and Seven Years wars. He was particularly successful at the 