Stefan Branković, also known in historiography as Stefan the Blind, was briefly the despot (ruler) of the Serbian Despotate between 1458 and 1459, member of the Branković dynasty.
from the Esphigmenou charter (1429)
Fenek monastery was founded by Stefan Branković
Despot or despotes was a senior Byzantine court title that was bestowed on the sons or sons-in-law of reigning emperors, and initially denoted the heir-apparent of the Byzantine emperor.
Empress Eudokia Ingerina with her sons Leo VI (left) and Alexander (right), both called despotes (ΔECΠOTHC)
Emperor Manuel II Palaiologos with his family: empress Helena Dragaš (right), and three of their sons, the co-emperor John VIII and the despots Andronikos and Theodore
Lead seal of Constantine Palaiologos, showing him in imperial regalia, and mentioning his titles of despot and porphyrogennetos