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

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

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

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

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

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