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

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

What relation is your son's uncle's mother's niece to you ?

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

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

What relation is your sister's brother's grandmother's husband to you ?