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

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

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

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

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

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