Феодор Комнин Дука
Theodore Komnenos Doukas (, "Theodōros Komnēnos Doukas", Latinized as Theodore Comnenus Ducas, died 1253) was ruler of Epirus and Thessaly from 1215 to 1230 and of Thessalonica and most of Macedonia and western Thrace from 1224 to 1230. He was also the power behind the rule of his sons John and Demetrios over Thessalonica in 1237–1246.