Wilhelmstraßen-Prozess
Thereafter, he served as Deputy to Ernst Wörmann, who was Chief of the Political Division of the German Foreign Office. Although the Political Division was staffed mainly by civil servants who were either nominal members of the Nazi Party or not members at all, it was nonetheless involved in implementing the Final Solution. This led to von Erdmannsdorff's being charged with war crimes in the Ministries Trial after the war; however, he was acquitted as a result of a determination that he lacked sufficient power and influence to have been able to prevent the crimes.