1. Tamara Petrovna is Marina's mother. 2. Nina Borisovna is Nina's grandmother. 3. Ivan Antonovich is Marina's father. 4. Gleb Olegovich is Anton's grandfather. 5. Oleg is Marina's brother. 6. Olga is Nikita's wife. 7. Marina is Ivan's sister. 8. Nikita is Anton's uncle. 9. Marina is Oleg's sister. 10. Nikita is Olga's husband.