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

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

What relation is your cousin's brother's aunt's niece's sister's brother in law to you ?

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

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

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