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

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

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

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

What relation is your father's sister's nephew's father in law to you ?

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