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

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

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

What relation is your aunt's niece's father's son to you ?

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

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