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

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

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

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

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

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