His aunt's son is his cousin 2. Your father's father is your grandfather. 3. My sister's son is my nephew. 4, My sister's daughter is my niece. 5. My mother's brother is my uncle. 6. Your mother's sister is your aunt. 7. Your uncle's daughter is your cousin 8. Your mother's mother is your grandmother. 9. Your brother's wife is your sister-in-law. 10. Your sister's husband is your brother-in-law.
Объяснение: