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What relation is your mother's daughter's aunt's son to you ?

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

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

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

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

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