| Answer | Crossword Clue |
|---|---|
| OLGA | Sister of Chekhov's Maria and Irina |
| OLGA | Sister of Chekhov's Masha and Irina |
| OLGA | Sister of Irina and Masha |
| OLGA | Sister of Masha and Irina |
| OLGA | Chekhovian sister of Masha and Irina |
| MASHA | Sister of Olga and Irina in "Three Sisters" |
