Letter from S.N. Glebova to Count A.N. Ignatiev. Late 1920s - early 1930s. Sofya Nikolaevna Glebov (1854-1936) - the daughter of a musicologist, Prince N.P. Trubetskoy. The spouse of the large businessman and public figure V.P. Glebov. She was engaged in charity, was the chairwoman of the Ladies of the Guardianship of the poor in Moscow.