Roussel demanded that the Caesar give up the two as hostages in return for releasing their wounded father, whom he held captive.
[4] After Alexios's successful accession to the throne, Michael was rewarded with the title of sebastos and the office of protostrator, one of the Byzantine Empire's highest military positions.
Four years later, he participated in the failed expedition against the Pechenegs in Bulgaria, and urged the emperor Alexios to flee after the Byzantine defeat at Dorystolon.
[5] After that, he is recorded as having attended the synod of 1094 that condemned Leo of Chalcedon, and in a letter during the Norman invasion of 1107–1108, according to which Michael was dispatched to Epirus to raise troops.
Only one is attested with certainty, Constantine Doukas, a sebastos and governor of the region of the Vardar river circa 1118.
Polemis considers her as the mother of Euphrosyne Doukaina, Michael's granddaughter, whose father was also named Theodore.