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

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

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

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

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

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