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

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

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

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

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

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