Clark acknowledged that expressions of support for the Nazis had been made by the last Kaiser's eldest son, Wilhelm, the most senior member of the former dynasty in Germany in the 1920s and the 1930s and the owner of the Hohenzollern properties. However, his report concluded that Wilhelm was "one of the politically most reserved and least compromised persons" of the aristocratic Nazi collaborators and that he was simply too marginal a figure to have been able to give "significant support" to Hitler, a position that supported the Hohenzollerns' claims.
Clark noted that statements of backing for the Nazis had been made by the last Kaiser's eldest son, Wilhelm, who held a prominent position within the former German royal family during the 1920s and 1930s. Nevertheless, his report stated that Wilhelm was "one of the politically most cautious and least tainted individuals" among the aristocratic Nazi collaborators and that he was too insignificant to have been able to provide substantial backing to Hitler, a stance that supported the Hohenzollerns' assertions.