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

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

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

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

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

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