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

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

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

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

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

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