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

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

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

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

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

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