In 1077, Alexios Komnenos, then a general, married Irene Doukaina, the great-niece of Constantine X. His marriage to a Doukaina made him senior to his elder brother Isaac, and it was Doukai financial and political support that largely facilitated the successful and bloodless coup that brought him to the throne.
Pada tahun 1077, Alexius Komnenus, kemudian seorang jenderal, menikahi Eirene Doukaina, keponakan cucu Konstantinos X. Pernikahannya dengan Doukaina membuatnya senior bagi kakandanya, Isaakios, dan itu adalah dukungan finansial dan politik Doukas yang sebagian besar memfasilitasi keberhasilan dan kudeta tak berdarah yang membawanya ke takhta.