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

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

What relation is your son's uncle's sister's grandfather to you ?

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

What relation is your father's sister's niece's aunt's husband's brother to you ?

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