Ilse Koch (née Margarete Ilse Köhler; 22 September 1906 -- 1 September 1967) was the wife of Karl-Otto Koch, commandant of the Nazi concentration camps .brThe witch of Buchenwald, the eerie lampshade..brIlse Koch, the wife of the commander of Buchenwald concentration camp was the most famous of all Germans having committed during the war and the only .brIn 1944, she worked in Birkenau Auschwitz as a senior overseer SS. It allowed for the incredible atrocities. More about it here.