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

What relation is your father's mother's grandson's sister's wife to you ?

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

What relation is your cousin's aunt's son's wife to you ?

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

What relation is your aunt's sister's mother's father to you ?