• Source: John Doukas

John Doukas, Latinized as Ducas (Greek: Ἰωάννης Δούκας, romanized: Iōannēs Doúkas) is the name of several Byzantine aristocrats and their descendants. It may refer to any of the following:

John Doukas (Caesar) (fl. 1074–1088), brother of Emperor Constantine X Doukas
John Doukas (megas doux) (c. 1064 – before 1136), brother-in-law of Alexios I Komnenos
John Doukas (megas hetaireiarches) (fl. 1155–1181), military commander and diplomat
John Doukas (sebastokrator) (c. 1126 – c. 1200), uncle of Emperors Isaac II 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. 1244), ruler of Thessalonica and Thessaly 1237–1244
John Doukas (son of Michael II), son of Michael II of Epirus, hostage in Constantinople
John I Doukas of Thessaly, ruler of Thessaly 1268–1289
John II Doukas of Thessaly, ruler of Thessaly 1303–1318
John II Orsini (also called Doukas), ruler of Epirus 1323–1335
John Uroš, ruler of Thessaly 1370–1373

Kata Kunci Pencarian:

• Yohanes Doukas (megas doux)
• Kekaisaran Romawi Timur di bawah Dinasti Doukas
• Ioannis III Doukas Vatatzes
• Nikephoros I Komnenos Doukas
• Mikhael II Komnenos Doukas
• Ioannes IV Laskaris
• Çaka Bey
• Dyrrachion (thema)
• Theodora Angela
• Konstantinos X Doukas
• John Doukas
• John III Doukas Vatatzes
• Doukas
• John Doukas (Caesar)
• Michael VII Doukas
• John Doukas Komnenos
• Byzantine Empire under the Doukas dynasty
• John IV Laskaris
• Constantine Doukas (co-emperor)
• John Doukas (sebastokrator)