Theodore I Komnenos Laskaris or Lascaris was the first emperor of Nicaea—a successor state of the Byzantine Empire—from 1205 to his death. Although he was born to an obscure aristocratic family, his m
Theodore Mangaphas or Mankaphas was a Greek nobleman from Philadelphia, who assumed the title of Byzantine emperor twice, first during the reign of Isaac II Angelos, and secondly after the sacking of