Who is your father's sister?
My aunt
Who is your mother's husband?
My father/ stepfather
Who is your brother's daughter?
My niece
Who is your "filha"?
My daughter
Who is your mother's mother?
My grandma
Who is your sister's brother?
Me/ My brother
Who is your mother's father?
My grandfather.
Who is your mother's brother?
My uncle.
Who is your "filho"?
son
Who is your sister's son?
My nephew.