Isaac Doukas Vatatzes
Isaac Doukas Vatatzes (Greek: Ἰσαάκιος Δούκας Βατάτζης, romanized: Isaakios Doukas Vatatzēs; c. 1188–1261) was the brother of the Nicaean emperor John III Doukas Vatatzes (r. 1222–1254).
Isaac Doukas Vatatzes (Greek: Ἰσαάκιος Δούκας Βατάτζης, romanized: Isaakios Doukas Vatatzēs; c. 1188–1261) was the brother of the Nicaean emperor John III Doukas Vatatzes (r. 1222–1254).