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

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

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

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

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

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