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

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

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

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

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

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