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What relation is your uncle's cousin's son's brother in law to you ?

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

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

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

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

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