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

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

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

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

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

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