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

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

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

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

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

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