ca. 843-844: The Doukai are mentioned in the written sources for the first time.
early tenth century: Andronikos and Constantine Doukas are active during the reign of Leo VI.
913: Revolt of Constantine Doukas attempting to seize power. Constantine Doukas, his son Gregory and nephew Michael lose their lives. Constantine’s younger son Stephen is castrated.
917: Nikolaos Doukas, last known member of the so-called “first group” of the Doukai, is killed in battle between Byzantines and Bulgarians at Katasyrtai, Thrace.
976-979: Andronikos Lydos and his sons, Christophoros and Bardas, members of the so-called “second group” of the Doukai, participate in the revolt of Bardas Skleros.
1034: Constantine Doukas supports his father-in-law, Constantine Dalassenos, against Michael IV the Paphlagonian.
1057: Constantine Doukas and his brother John participate in the revolt of Isaakios Komnenos.
1059-1067: Reign of Constantine X Doukas.
1071-1078: Reign of Michael VII Doukas.
1077: Marriage of Eirene, granddaughter of caesar John Doukas, to Alexios Komnenos.
1081: Active participation of the Doukai in the revolt of Alexios Komnenos against Nikephoros III Botaneiates.