Theodore I Laskaris Θεόδωρος Α΄ Λάσκαρις Emperor and Autocrat of the Romans (Claimant) Portrait of Theodore I from a 15th-century manuscript Emperor of Nicaea Claimant Byzantine Emperor Reign 1205–1222 Predecessor Constantine Laskaris Successor John III Doukas Vatatzes Born c. 1174 Constantinople Died 1222 Wives Anna Komnena Angelina Philippa of Armenia Maria of Courtenay Issue Nicholas Laskaris, John Laskaris, Irene Laskarina, Maria Laskarina, Eudokia Laskarina, Constantine Laskaris Father Manuel Laskaris Mother Ioanna Karatzaina