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

What relation is your brother's father's son's grandfather to you ?

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

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

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

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