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

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

What relation is your daughter's grandmother's son's mother to you ?

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

What relation is your father's wife's husband's brother to you ?

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