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

What relation is your brother's cousin's aunt's niece's mother's brother in law to you ?

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

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

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

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