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

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

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

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

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

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