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

What relation is your father's daughter's aunt's brother to you ?

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

What relation is your uncle's cousin's son's grandfather to you ?

What relation is your sister's aunt's niece's uncle to you ?

What relation is your wife's son's uncle's father's brother to you ?