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

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

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

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

What relation is your father's mother's grandson's uncle to you ?

What relation is your aunt's son's mother's niece's sister to you ?