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

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

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

What relation is your brother's aunt's nephew's grandmother to you ?

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

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