Isaac II Angelos and Alexios III Angelos. John Doukas Vatatzes had two older brothers. The eldest was Isaac Doukas Vatatzes (1188-1261), while his younger...

John III Doukas Vatatzes, Nicaean emperor (r. 1221–1254) and his relatives, the late Byzantine historian Doukas, and the megas papias Demetrios Doukas Kabasilas...

Theodore Komnenos Doukas (Greek: Θεόδωρος Κομνηνὸς Δούκας, Theodōros Komnēnos Doukas; Latinized as Theodore Comnenus Ducas; died c. 1253) or Theodore Angelos...

his death in 968 John III of Gaeta, Duke from 984 to his death in 1008 John III of Amalfi, Duke in 1073 John III Doukas Vatatzes (c. 1192 – 1254), Emperor...

consolidated the Doukas family connection by arranging the Emperor's marriage to Irene Doukaina, granddaughter of the Caesar John Doukas, the uncle of Michael VII...

establishing the Angelos family as the new imperial dynasty. His father Andronikos Doukas Angelos was a military leader in Asia Minor (c. 1122 – aft. 1185) who married...

Akropolites asserts this was done by Theodore I's successor, John III Doukas Vatatzes (r. 1222–1254) soon after his accession. Modern historians generally...

megas domestikos (commander-in-chief), probably by Emperor John III Doukas Vatatzes. The Palaiologoi's many marriages with prominent Byzantine families...

néos Kōnstantĩnos; 3 May 612 – 25 May 641), often enumerated as Constantine III, was one of the shortest reigning Byzantine emperors, ruling for three months...

dissolved in the middle of the 14th century. In the spring of 1242, John III Doukas Vatatzes, Emperor of Nicaea initiated a campaign against the Thessalonian...