Abgar X of Edessa and Gordian III come to mind.https://www.google.com/search?q=gordian edessa&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjrseXa2cPXAhWGMSYKHY_yAqsQsAQIMw&biw=1600&bih=737#imgrc=Ez5SxKQB0743RM: http://grifterrec.rasmir.com/mesopotamia/mesopotamia.html