Known as the "Belle of Auschwitz", "Angel of Death" and "Blond Angel of Hell" she was in charge of 18,000 female prisoners at the camp.
Later she moved to Belsen where she worked under Josef Kramer. She developed a reputation for sadism and a fascination with medical experiments on inmates. She was said to have had love affairs with Kramer and Josef Mengele, the camp physician.
For guilty for war crimes Grese was executed on 13 December, 1945.