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

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

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

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

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

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