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

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

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

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

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

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