What do you call your mother and father? (both)
Parents
What do you call your uncle's wife?
Aunt
What do you call your mother's father?
Grandfather
What do you call your father's daughter?
Sister
What do you call your aunt's daughter?
Cousin
What do you call your father's brother?
Uncle
What do you call your sister's daughter?
Niece
What do you call your brother's son?
Nephew
What do you call your brothers and sisters? (both)
Siblings