Private picture of General der Kavallerie Wilhelm Knochenhauer (right, Kommandierender General X. Armeekorps) posing with two NSDAP officials during Führergeburtstag (Hitler Birthday) celebration, 20 April 1937. The picture was possibly taken in Hamburg.
Source :
https://www.kometmilitaria.com/product-page/private-picture-general-der-kavallerie-wilhelm-knochenhauer
