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

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

What relation is your father's sister's brother in law's son's mother's nephew to you ?

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

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

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