Born in Lublin, Poland on September 10th September 1915, Sara Nomberg was raised a Hasidic Jew whose grandfather was a widely renowned Talmud scholar and the headmaster of a prominent yeshivea in Warsaw and was later a rabbi for a community near Lublin. Sara lived in poverty at an early age and her experience watching children die from malnutrition led her to become politically active, as did her experience with Polish antisemitism. Her activities were associated with the communist movement and she abandoned the religion of her upbringing.