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

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

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

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

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

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