Your sister's aunt's son's mother's niece is your which relation ?

Your

Sister's

Aunt's

Son's

Mother's

Niece

is your COUSIN !!

What relation is your cousin's brother's aunt's niece to you ?

What relation is your uncle's son's aunt's niece's mother's husband to you ?

What relation is your father's sister's son's mother to you ?

What relation is your mother's sister's nephew's wife to you ?

What relation is your cousin's father in law's daughter's uncle to you ?

What relation is your sister's aunt's son's grandmother to you ?