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

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

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

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

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

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