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

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

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

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

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

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