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

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

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

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

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

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