john the iberian (, "ioane"; died ) was a georgian monk, who is venerated as a saint. his name refers to the caucasian iberia and he is also known as john the georgian, john the hagiorite, and john iweron. a member of the georgian nobility, he was married and served as a military commander. however, he later became a monk in bithynia and then traveled to constantinople to rescue his son, euthymius the illuminator ("euthymius opplyseren"). euthymius had been held as a hostage by the emperor.