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

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

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

What relation is your mother's sister's nephew's wife to you ?

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

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