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

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

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

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

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

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