Nora Rubashova was born in Minsk, Belarus, in a wealthy Jewish family. In April 1926, under the influence of _her_ high school teacher Tamara Sapozhnikova, she converted to Catholicism, later was tonsured a nun by the name of Catherine of Siena. <sep>, Pronoun: her <sep>, A: Nora Rubashova <sep>, B: Tamara Sapozhnikova