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John III Doukas Vatatzes, Latinized as Ducas Vatatzes (Greek: Ἱωάννης Δούκας Βατάτζης, Iōannēs Doukas Vatatzēs, c. 1192 – 3 November 1254), was Emperor...

John Ducas Vatatzes at the Battle of Poimanenos. Following this defeat Robert was compelled to make peace with his chief foe, John III Ducas Vatatzes...

'Entente Cordiale' Between John III Ducas Vatatzes and John Asen II in 1236 as Background to the Genesis of the Hohenstaufen-Vatatzes alliance of 1242". Byzantine...

capital in Nicaea. He worked in close collaboration with Emperor John III Ducas Vatatzes, particularly in negotiations concerning possible union with the...

three children: Constance (Anna) (1230 – April 1307), married John III Ducas Vatatzes. Manfred (1232 – killed in battle, Benevento, 26 February 1266)...

Archived from the original on 2011-07-21. Retrieved 2008-12-29. "John III Ducas Vatatzes". NNDB.com. Retrieved 2009-05-18. Geanakoplos 1959, pp. 62–63....

came to beg for help for the Latin empire being threatened by John III Ducas Vatatzes, the emperor of Nicaea. Her pleas were refused as the Crusade against...

Angelos and Alexios III Angelos John Doukas Komnenos (1128–1176) John III Doukas Vatatzes (1193–1254), Emperor of Nicaea 1222–1254 John Komnenos Doukas (d...

John Komnenos Doukas (Greek: Ιωάννης Κομνηνός Δούκας, Iōannēs Komnēnos Doúkas), Latinized as Comnenus Ducas, was ruler of Thessalonica from 1237 until...

continued in the Empire of Nicaea, where the emperors ruled in exile. John III Ducas Vatatzes also gave pronoiai to the church and noblewomen, which had not...

Constantine X Doukas or Ducas (Greek: Κωνσταντῖνος Δούκας, Kōnstantinos X Doukas, c. 1006 – 23 May 1067), was Byzantine emperor from 1059 to 1067. He...

Doukas (Greek: Ἀλέξιος Δούκας; died December 1204), Latinized as Alexius V Ducas, was Byzantine emperor from February to April 1204, just prior to the sack...

16th-century Cretan scholar Demetrius Ducas, the 17th-century rulers of Moldavia George Ducas and Constantine Ducas (their descent is variously given as...

city. Vatatzes readily granted this, and sent envoys to Demetrios calling for him to appear in person at his camp. Demetrios, suspicious of Vatatzes' intentions...

which John III Doukas Vatatzes conquered Thessalonica and penetrated into northern Greece in 1244–46. In autumn 1246, John III Doukas Vatatzes exploited...

Michael VII Doukas or Ducas (Greek: Μιχαήλ Δούκας, romanized: Mikhaḗl Doúkas), nicknamed Parapinakes (Greek: Παραπινάκης, lit. "minus a quarter", with...

Kaldellis stating that "Botaniates' reign was basically an extension of the Ducas dynasty", and de Medeiros Publio Dias stating that "His government is normally...

John IV Doukas Laskaris (or Ducas Lascaris) (Greek: Ἰωάννης Δούκας Λάσκαρις, Iōannēs Doukas Laskaris; December 25, 1250 – c. 1305) was emperor of Nicaea...

of Frederick II and Bianca Lancia, wife of Emperor of the East John III Ducas Vatatze; Queen Constance (1249-1300), daughter of Manfred. A 2022 series...

of Nicaea from 1254 to 1258. He was the only child of Emperor John III Doukas Vatatzes and Empress Irene Laskarina. His mother was the eldest daughter...