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

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

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

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

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

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