Your parents' son is your ...
Brother
Your parents' daughter is your...
Sister
Your aunt’s daughter is your
cousin
You are the son/daughter of your...
Parents
Your sister’s son is your
Nephew
Your mother's father is your...
Grandfather
Your mother’s sister is your
Aunt
Your mother's brother is your
Uncle
Your father’s mother is your
Grandma
Your daughter's son is your
Grandson
Your brother's daughter is your
niece
