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

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

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

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

What relation is your aunt's nephew's uncle's cousin to you ?

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