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

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

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

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

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

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