Reichsführer-SS was a special title and rank that existed between the years of 1925 and 1945 for the commander of the Schutzstaffel, and it was the highest rank of the SS. The longest-serving and most

Matthias Kleinheisterkamp was a high-ranking German SS commander during the Nazi era. Reaching the rank of SS-Obergruppenführer, he commanded the SS Division Totenkopf, SS Division Nord, SS Division D