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

What relation is your mother's sister's nephew's wife to you ?

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

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

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

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