Irmgard Ilse Ida Grese (7 October 1923 – 13 December 1945) was a Nazi concentration camp guard at Ravensbrück and Auschwitz, and served as warden of the women's section of Bergen-Belsen. She was a volunteer member of the SS. Grese was convicted of crimes involving the ill-treatment and murder of prisoners committed at Auschwitz and Bergen-Belsen concentration camps, and sentenced to death at the Belsen trial. Executed at 22 years of age, Grese was the youngest woman to die judicially under British law in the 20th century. Auschwitz inmates nicknamed her the "Hyena of Auschwitz" (). Early life and family Irmgard Ilse Ida Grese was born to Berta Grese and Alfred Grese, both dairy workers, on 7 October 1923. Irma was the third of five children (three girls and two boys). In 1936, her mother died by suicide after drinking hydrochloric acid following the discovery of Alfred’s affair with a local pub owner's daughter. Historian Peter Vronsky speculated that Alfred Grese joined the Nazi Party in 1937 and remarried in 1939. Irma's sister Helene said at Irma's trial that in primary school, when "girls were quarreling and fighting, [Irma] never had the courage to fight, but ... ran away." In 1938, at the age of 15, Grese left school. She worked on a farm for six months, then in a shop, then at a hospital run by the SS for two years. Concentration camp guard By her teenage years, Grese, like her sisters, wanted to join the League of German Girls (Bund Deutscher Mädel), the branch of the Hitler Youth for girls, but her father forbade it. Before her 17th birthday, she moved to the SS Female Helpers' training base, which was located near Ravensbrück, the all-female concentration camp. In 1940, she became an Aufseherin (guard or overseer) at Ravensbrück, and transferred to Auschwitz-Birkenau in March 1943. Due to her transfer, Grese had a falling out with her father the same year, as he had been vehemently opposed to her joining the SS-Gefolge. He expelled her from his house. Grese participated in prisoner selections for the gas chambers at Auschwitz. In early 1945, Grese accompanied a prisoner evacuation transport from Auschwitz to Ravensbrück. In March, she went to Bergen-Belsen, along with a large number of prisoners from Ravensbrück. Grese was captured by the British Army on 17 April 1945, with other SS personnel who did not flee. War crimes trial