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

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

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

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

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

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