Usurper of the Byzantine Empire. Birth date approx. Reigned from 1074 to 1088.
John was given the Court dignity of Caesar by his brother Emperor Constantine X. Caesar became one of the most influential members of the court aristocracy from the death of his brother into that of Alexios I Komnenos. His wealth derived of estates in Thrace and Bithynia, and he was a close friend of the historian Michael Psellos. Although he is usually documented by the sources as a member of the court, he had begun his career as a general. After serving as a counsellor and supporter of his brother, John came to the fore after his brother's death in 1067 as the natural protector of the rights of his nephew Michael VII Doukas. His position as Caesar and his family's influence in the Senate meant that he was behind the opposition of the Court officials to the Empress Mother Eudokia Makrembolitissa and her marriage to Romanos IV Diogenes. Over the course of the next three years he became the Emperor's bitterest enemy.
Neither John nor his brother Constantine X were descended from the male branch of the ancient family of Doukas which became extinct after a revolt during the minority of Constantine VII's reign. They were descended from the female line, their family was originally called Doukitzes, to mark the inferiority of the modern house which had assumed the name of Doukas.
By his wife Irene Pegonitissa, John Doukas had at least two sons, both of whom predeceased him:
Andronikos Doukas, who was the father of Irene Doukaina, wife of Alexios I Komnenos;
Constantine Doukas, who died in 1074.
John was given the Court dignity of Caesar by his brother Emperor Constantine X. Caesar became one of the most influential members of the court aristocracy from the death of his brother into that of Alexios I Komnenos. His wealth derived of estates in Thrace and Bithynia, and he was a close friend of the historian Michael Psellos. Although he is usually documented by the sources as a member of the court, he had begun his career as a general. After serving as a counsellor and supporter of his brother, John came to the fore after his brother's death in 1067 as the natural protector of the rights of his nephew Michael VII Doukas. His position as Caesar and his family's influence in the Senate meant that he was behind the opposition of the Court officials to the Empress Mother Eudokia Makrembolitissa and her marriage to Romanos IV Diogenes. Over the course of the next three years he became the Emperor's bitterest enemy.
Neither John nor his brother Constantine X were descended from the male branch of the ancient family of Doukas which became extinct after a revolt during the minority of Constantine VII's reign. They were descended from the female line, their family was originally called Doukitzes, to mark the inferiority of the modern house which had assumed the name of Doukas.
By his wife Irene Pegonitissa, John Doukas had at least two sons, both of whom predeceased him:
Andronikos Doukas, who was the father of Irene Doukaina, wife of Alexios I Komnenos;
Constantine Doukas, who died in 1074.
Usurper of the Byzantine Empire. Birth date approx. Reigned from 1074 to 1088.
John was given the Court dignity of Caesar by his brother Emperor Constantine X. Caesar became one of the most influential members of the court aristocracy from the death of his brother into that of Alexios I Komnenos. His wealth derived of estates in Thrace and Bithynia, and he was a close friend of the historian Michael Psellos. Although he is usually documented by the sources as a member of the court, he had begun his career as a general. After serving as a counsellor and supporter of his brother, John came to the fore after his brother's death in 1067 as the natural protector of the rights of his nephew Michael VII Doukas. His position as Caesar and his family's influence in the Senate meant that he was behind the opposition of the Court officials to the Empress Mother Eudokia Makrembolitissa and her marriage to Romanos IV Diogenes. Over the course of the next three years he became the Emperor's bitterest enemy.
Neither John nor his brother Constantine X were descended from the male branch of the ancient family of Doukas which became extinct after a revolt during the minority of Constantine VII's reign. They were descended from the female line, their family was originally called Doukitzes, to mark the inferiority of the modern house which had assumed the name of Doukas.
By his wife Irene Pegonitissa, John Doukas had at least two sons, both of whom predeceased him:
Andronikos Doukas, who was the father of Irene Doukaina, wife of Alexios I Komnenos;
Constantine Doukas, who died in 1074.
John was given the Court dignity of Caesar by his brother Emperor Constantine X. Caesar became one of the most influential members of the court aristocracy from the death of his brother into that of Alexios I Komnenos. His wealth derived of estates in Thrace and Bithynia, and he was a close friend of the historian Michael Psellos. Although he is usually documented by the sources as a member of the court, he had begun his career as a general. After serving as a counsellor and supporter of his brother, John came to the fore after his brother's death in 1067 as the natural protector of the rights of his nephew Michael VII Doukas. His position as Caesar and his family's influence in the Senate meant that he was behind the opposition of the Court officials to the Empress Mother Eudokia Makrembolitissa and her marriage to Romanos IV Diogenes. Over the course of the next three years he became the Emperor's bitterest enemy.
Neither John nor his brother Constantine X were descended from the male branch of the ancient family of Doukas which became extinct after a revolt during the minority of Constantine VII's reign. They were descended from the female line, their family was originally called Doukitzes, to mark the inferiority of the modern house which had assumed the name of Doukas.
By his wife Irene Pegonitissa, John Doukas had at least two sons, both of whom predeceased him:
Andronikos Doukas, who was the father of Irene Doukaina, wife of Alexios I Komnenos;
Constantine Doukas, who died in 1074.
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