Family of K. Richter, conductor of the St. Petersburg string orchestra. (4th right – Maria Karlovna grandmother of Knoblok)
Family of K. Richter, conductor of the St. Petersburg string orchestra. (4th right – Maria Karlovna grandmother of Knoblok)
Family of K. Richter, conductor of the St. Petersburg string orchestra. (4th right – Maria Karlovna grandmother of Knoblok)
