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

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

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

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

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

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