John III Doukas Vatatzes
1192 –November 3, 1254
Sovereign
Lived 62 years
- Born in
- Didymoteicho
- Passed away in
- Kemalpaşa
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.
Source: Wikipedia — https://en.wikipedia.org/wiki/John_III_Doukas_Vatatzes