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

What relation is your father's daughter's brother's niece to you ?

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

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

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

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