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

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

What relation is your father's sister's cousin's daughter to you ?

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

What relation is your brother's aunt's nephew's grandfather to you ?

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