Konstantinos Laskaris (1170–1205)
Born 1170 CE, died 1205 CE.
Constantine Laskaris (Greek: Κωνσταντίνος Κομνηνὸς Λάσκαρις, romanized: Kōnstantīnos Komnēnós Láskaris) may have been Byzantine Emperor for a few months from 1204 to early 1205. He is sometimes called "Constantine XI", a numeral now usually reserved for Constantine Palaiologos.
Text from the Wikipedia article Constantine_Laskaris, licensed CC BY-SA 4.0.