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

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

What relation is your sister's mother's daughter's father to you ?

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

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

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