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

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

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

What relation is your cousin's sister's aunt's granddaughter to you ?

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

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