君士坦丁九世
The post could be held by court eunuchs as well as clerics, even priests, but was also often combined with other high offices, such as or . In the lists of precedence to the imperial banquets of the 9th–10th centuries he occupied a very prominent place, coming right after the and before the and the . The title disappears from the sources after the reign of Constantine IX Monomachos ().