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

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

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

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

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

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