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

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

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

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

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

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