Question: how is Karl von Eberstein and Sturmabteilung related?

Related documents: [0]  [DOC] The Sturmabteilung (SA; ] ), literally Storm Detachment, functioned as the original paramilitary wing of the Nazi Party (NSDAP). [END] 
[1]  [DOC] Friedrich Karl Freiherr von Eberstein (14 January 1894 – 10 February 1979) was a member of the German nobility, early member of the Nazi Party, the SA, and the SS (introducing Reinhard Heydrich to Heinrich Himmler in July 1931). Further, he rose to become a Reichstag delegate, an HSSPF and SS-Oberabschnitt Führer (chief of the Munich Police in World War II), and was a witness at the Nuremberg Trials. [END]  
Answer: Nazi Party
Nazi Party