John Doukas Greek nobleman and general (1126–1200) Parents Theodora Komnene Angelina Konstantinos Angelos Children Alexios Komnenos Doukas Theodore Komnenos Doukas Isaac Komnenos Doukas Manuel Komnenos Doukas Konstantinos Komnenos Doukas Michael I Komnenos Doukas Siblings Zoe Angelina Maria Angelina Eudocia Angelina Alexios Komnenos Angelos Isaac Angelos Doukas Michael Doukas Andronikos Doukas Angelos Isaakios Angelos, Military Governor of Cilicia