Elka de Levie
Elka de Levie was an Amsterdam-born Dutch gymnast who won the gold medal as member of the Dutch gymnastics team at the 1928 Summer Olympics in Amsterdam. She was the only Jewish team member to survive the Holocaust; her teammates Anna Dresden-Polak, Jud Simons and Helena Nordheim and coach Gerrit Kleerekoper were gassed in Sobibor, while Estella Agsteribbe was gassed in Auschwitz.
On 31 October 1929 she married Andries Abraham Boas, with whom she had two daughters, but the couple were divorced on 20 April 1943. She and both her daughters survived the Second World War by going into hiding. Elka de Levie died in anonymity in Amsterdam on 29 December 1979.