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

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

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

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

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

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