Your son's brother's uncle's aunt's sister is your which relation ?

Your

Son's

Brother's

Uncle's

Aunt's

Sister

is your SISTER !!

What relation is your wife's daughter's sister's grandfather to you ?

What relation is your cousin's aunt's brother in law's son to you ?

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

What relation is your sister's aunt's nephew's mother's daughter's brother to you ?

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

What relation is your mother's daughter's brother's uncle to you ?