Your mothers sister is your Aunt
Aunt Aunty Auntie
The relation of the mother;s sister to daughter is niece-aunts.
There is 2 answers your mothers brothers children or your dads sister;"s children
They are half brother and sister, they have the same father but different mothers.
Your mother's sister's husband's sister is your aunt's sister-in-law, but is not related to you. Here's why: Your mother's sister is your aunt. The sister of a woman's husband would be her sister-in-law. In this case the woman is your aunt. So your mother's sister's husband's sister would be your aunt's sister-in-law.
Real sister, half sister, or step sister
sister in law.
Your sister's sister is your sister.
uncle
the relation is that person is either your half brother or half sister. 1/2 brother or sisiter
brother
Her sister was named Aga.