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

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

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

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

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

What relation is your father's mother's grandson's father in law to you ?