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

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

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

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

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

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