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

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

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

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

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

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