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

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

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

What relation is your father's mother's grandson's brother's father in law to you ?

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

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