Four younger sisters of Sigmund Freud: Regine, Marie, Esther and Pauline. As Austrian Jews, Marie, Pauline and Regine were sent to Treblinka in 1942. They died there in the gas chambers. Esther was deported to Theresienstadt in 1943. She died there after being severely beaten. Another sister, Anna, escaped to New York and survived the war. Freud escaped to London, where he lived until his death from cancer in 1939.