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What relation is your father's wife's son's niece to you ?

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

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

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

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

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