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model: Whose son is your father?- My father is Sergey and Nina's son.
1. Whose sister is your mother?-------------------------
2. Whose aunt is your grannd moother? -----------------
3. Whose uncle  is your father? --------------------
4. Whose brother is yuor grandfather? -----------------------
5. Whose daughter is your mother? --------------------
6. Whose  parents are your drandparents? ----------------------

1. My mother is Natalia and Nina's sister.2. My grandmother is Olga and Oleg's aunt.3. My father is Nikolai and Alex's uncle.4. My grandfather is Misha and Vera's brother.5. My mother is Natalia and Olga's daughter.6. My grandparents are Olga and Misha and Natalia's parents.