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

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

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

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

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

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