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

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

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

What relation is your sister's brother's grandmother's grandson to you ?

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

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