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

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

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

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

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

What relation is your grandfather's wife's grandson's brother in law to you ?