Ответ:
- My mum's son is my brother.
- My dad's brother is my uncle.
- My mum's father and mother are my grandparents.
- My parents' daughter is my sister.
- My father's father is my grandfather.
- My father's sister's children are my cousins.
- My brother's daughter is my niece.
- My daughter's daughter is my granddaughter.
- My sister's son is my nephew.
