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What relation is your uncle's daughter's aunt's husband to you ?

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

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

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

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

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