Carl Phillip Gottleib von Clausewitz (1780-1831).
Prussian military thinker; attained the rank of Major-General in the Prussian Military. Famous for writing the military strategy book [On War]? (Vom Kriege in the original German).
Married [[Countess Marie von Brühl]].
Sources
http://www.clausewitz.com/CWZHOME/CWZBASE.htm
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