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

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

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

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

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

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