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What relation is your brother's sister's aunt's nephew to you ?

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

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

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

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

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