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

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

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

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

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

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