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What relation is your daughter's grandfather's son's sister in law to you ?

What relation is your daughter's grandmother's son's father to you ?

What relation is your aunt's nephew's sister's brother's brother in law to you ?

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

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

What relation is your mother's daughter's aunt's granddaughter to you ?