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

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

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

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

What relation is your father's wife's daughter's brother to you ?

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