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

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

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

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

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

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