Alexios Komnenos Mosaic of Alexios Komnenos in Hagia Sophia. He is depicted as a beardless youth, probably at the time of his coronation at 16 or 17 years of age. Co-emperor of the Byzantine Empire Reign 1122–1142 Coronation 1122 as co-emperor Born February 1106 Balabista in Macedonia Died Late summer 1142 (aged 36) Attaleia, Pamphylia Spouse Eupraxia-Dobrodjeja of Kiev Eirene-Kata of Georgia Issue Maria Komnene Dynasty Komnenoi Father John II Komnenos Mother Irene of Hungary