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

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

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

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

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

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