Tom has got a sister. So their parents have got a son and a ........
daughter
Your uncle's son is your...
Cousin
The daughter of your grandparents and wife of your father is your...
Mother
The sister of your mother is your...
aunt
Your father's brother is your...
Uncle
Your sister's brother is your...
Brother
The husband of my sister is my...
brother-in-law
The father of your father is your...
grandfather
Your wife's son is your...
Son
You are the son of my son. You are my…
grandson
Your father's mother is your...
Grandmother
Your mother is my mum. Your father is my dad. I'm your…
Sibling
My mum and your mum are sisters. I am your…
Cousin
Your aunt's children are your...
Cousins
The father of your husband is your...
father-in-law
Your sister's daughter is your...
Niece
Your mother's husband is your...
Father
You are my son. I am your…
father
My grandparents' parents are my .....
great-grandparents
Your sister's son is your ...
nephew
Your father's mother or father is your...
Grandparent
My wife's mother is my ...
mother-in-law