 Helena Palaiologina ; 23 Kubvumbi 1442 1469 aiva mwanasikana uye mwana mumwechete waDemetrios Palaiologos, Despot weMorea, mukoma wemutongi wekupedzisira weByzantine Constantine XI Palaiologos. Amai vake vakanga vari Theodora Asanina wemhuri yeAsen, mhuri yakambotonga Bulgaria. Akakurumbira nokuda kworunako rwake, Sultan Mehmed II, uyo akanga akundaConstantinople muna 1453, yakaronga kumutora muimba yake yevarume mushure mekukunda kwake Morea muna 1460, asi akakurumidza kusarudza kupokana nazvo, kunyangwe akachengetedza Helena nemhuri yake, pamwe nekuda kwekutya kuiswa chepfu naye. 