Elizaveta Vsevolodovna Mironova was born on September 20, 1920 in the Tambov region. Her childhood was spent in Sosnovsky forestry. His father, Vsevolod Alexandrovich Petain, had two higher educations and owned, besides Russian, Ukrainian, German, English and French. Mother, Claudia Vasilyevna Dobritskaya, was from the clergy, she graduated from the Institute of Noble Maidens.