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

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

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

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

What relation is your brother's grandmother's husband's wife's grandson's uncle to you ?

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