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

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

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

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

What relation is your daughter's grandfather's son's aunt's niece to you ?

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