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

What relation is your cousin's aunt's nephew's sister's brother in law to you ?

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

What relation is your mother's son's cousin's aunt's daughter's brother in law to you ?

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

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