John III Doukas Vatatzes (1192–1254)

Born 1192 CE, died 1254 CE.

John III Doukas Vatatzes, Latinized as Ducas Vatatzes (Greek: Ἰωάννης Γ´ Δούκας Βατάτζης, romanized: Iōánnēs Doúkās Vatatzēs; c. 1192 – 3 November 1254), was Emperor of Nicaea from 1221 to 1254. He was succeeded by his son, known as Theodore II Doukas Laskaris.

Text from the Wikipedia article John_III_Doukas_Vatatzes, licensed CC BY-SA 4.0.

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