Peter Graf Yorck von Wartenburg was born on November 13, 1904 in Klein-Öls, Ohlau, Silesia, Germany [now Olesnica Mala, Poland]. He is known for Prozess 20. Juli 1944 vor dem Volksgerichtshof (1944) and Verräter vor dem Volksgericht (1944). He was married to Marion Winter. He died on August 8, 1944 in Plötzensee, Berlin, Germany.