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

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

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

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

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

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