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

What relation is your cousin's aunt's husband's son's sister to you ?

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

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

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

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