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

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

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

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

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

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