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

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

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

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

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

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