The rebel generals, seeing fate of Bryennios, gathered at Kastamon, home of Isaakios Komnenos

Summary:
The rebel eastern generals, when they heard of the capture of Bryennios, feared that if tortured, he might betray them. Thus they travelled to the east and met at the home of Isaakios Komnenos at Kastamon. They had to elect a leader. Katakalon Kekaumenos and Konstantinos (X) Doukas were reportedly asked to take the position, but both stood aside for Isaakios (I). Those reported at the gathering were Isaakios Komnenos, Katakalon Kekaumenos. Konstantinos (X) Doukas, the sons of Basileios Argyros, (Michael) Bourtzes, Ioannes Doukas, Nikephoros (III) Botaneiates and Romanos Skleros 
Dates:
1057 
sons of Basileios Argyros (nephews of Romanos III) (Anonymi 121)
  • Reached Kastamon, took Isaakios 1 Komnenos to Gounaria, gathered the area's soldiers and those who wanted to join in the rebellion (against Michael 6), and proclaimed him sole emperor of the Romans (on June 8 of the 10th indiction (1057):ὀγδόην ἄγοντος τότε τοῦ Ἰουνίου μηνός, τῆς δεκάτης ἰνδικτιῶνος) Skylitzes 489.71-78
  • Awaited the outbreak of the rebellion (of the eastern generals against Michael 6) but when they heard of the capture of Bryennios (Anonymus 195) they feared that if tortured, the latter might betray their cause, and decided to leave for Paphlagonia: in association with Romanos 104, Michael 120 Bourtzes, Nikephoros 3 Botaneiates (:) Skylitzes 488.64-489.70
eastern commanders insulted by Michael VI (Anonymi 6032)
  • When they found that Anonymus 195 Bryennios too was ready for their plan, they sought the one from their number who would be emperor, and (Isaakios 1) Komnenos was preferred before all by all (:) Zonaras 18.2.5
Bryennios the ethnarches (Anonymus 195)
  • When Anonymi 6032 found that he too was ready for their plan, they sought the one from their number who would be emperor, and (Isaakios 1) Komnenos was preferred before all by all (:) Zonaras 18.2.5
Ioannes Doukas, kaisar (Ioannes 62)
  • Considered whom to proclaim emperor and decided that Kekaumenos (Katakalon 101) was more worthy than all others, being older, more courageous and experienced, but when the latter refused the offer and proposed Isaakios 101 instead, he agreed: in association with Isaakios 1 Komnenos, Michael 120 Bourtzes, Konstantinos 10 Doukas (:) Skylitzes 487.24-33
Emperor Isaakios I Komnenos (Isaakios 1)
  • Favoured greatly Konstantinos 10 Doukas to whom he was related by marriage, friendship and rank and who was aware of the plot (to rise in rebellion and remove Michael 6 from power) (:) καὶ πολλὴν εὔνοιαν διδοὺς καὶ λαμβάνων ἐκεῖθεν Attaleiates: History 56.14-19 / 42.26-43.3
  • Considered whom to proclaim emperor and decided that Kekaumenos (Katakalon 101) was more worthy than all others, being older, more courageous and experienced, but the latter refused and proposed him instead, with the consent of the other generals: in association with Michael 120 Bourtzes, Konstantinos 10 Doukas and Ioannes 62 Doukas (:) Skylitzes 487.24-33
  • When Anonymi 6032 found that Anonymus 195 Bryennios too was ready for their plan, they sought the one from their number who would be emperor, and (Isaakios 1) Komnenos was preferred before all by all (:) Zonaras 18.2.5
  • Konstantinos 10's extreme caution and intelligence were shown when the army chose Isaakios 1 as their leader: although elected to power, he conceded the leadership to Konstantinos, but the latter refused (:) αὐτὸς δὴ οὗτος ὁ ἐπὶ τῷ κράτει κριθεὶς. ἐκείνῳ τῆς ἡγεμονίας παρεχώρει μετὰ τὴν κρίσιν Psellos: Chronographia VII 88.1-6
  • In the search of a new leader for the army and the empire, he deferred to all for office, telling each that they had the capacity for power, but all gave the honour to him (:) πᾶσι παρεχώρει τοῦ σχήματος Psellos: Chronographia VII 4.12-5.3
  • All the people supported Konstantinos 10 and urged him to take power, but Konstantinos 10 rejected this vigorously and withdrew magnificently, stepping aside for him (:) τῷ Κομνηνῷ ᾽Ισαακίῳ παρεχώρει τοῦ πράγματος Psellos: Chronographia VIIa 8.1-4
Katakalon Kekaumenos (Katakalon 101)
Emperor Konstantinos X Doukas (Konstantinos 10)
  • Considered whom to proclaim emperor and decided that Kekaumenos (Katakalon 101) was more worthy than all others, being older, more courageous and experienced, but when the latter refused the offer and proposed Isaakios 101 instead, he agreed: in association with Isaakios 1 Komnenos, Katakalon 101 Kekaumenos, Michael 120 Bourtzes and Ioannes 62 Doukas (:) Skylitzes 487.24-33
  • Those assembled to vote (for a leader) would never have reached agreeement had he not intervened and united their will by the reputation he enjoyed (:) τῷ καθ’ ἑαυτὸν ἀξιώματι ξυνεδέσμει τὴν βουλήν Psellos: Chronographia VII 88.7-10
  • All the people supported him and urged him to take power, but he rejected this vigorously and withdrew magnificently, stepping aside for Isaakios 1; so God managed his affairs from afar in order that he might ascend to power legitimately (:) ὁ δὲ ἀπεβιάζετο καὶ ὑπεχώρει λαμπρῶς Psellos: Chronographia VIIa 8.1-6
  • His extreme caution and intelligence were shown when the army chose Isaakios 1 their leader: the latter, although elected to power, conceded the leadership to him, but he rejected it in both thought and action (:) ἀπεωθεῖτο καὶ γνώμῃ καὶ χειρί Psellos: Chronographia VII 88.1-6
Emperor Michael VI Stratiotikos (Michael 6)
  • When the army leaders had agreed with one another what they wanted, after a further brief conversation with him they all retired home; as easterners they were not far apart and after a few days reassembled in one place and began the plot (:) βραχέα δὴ ἄττα τῷ βασιλεῖ καθωμιληκότες Psellos: Chronographia VII 5.7-13
  • He did not face rebels, but a party which felt that it had legitimacy and he, by his neglect of the military, did not; they chose Isaakios 1 as an emperor and followed him loyally, as a parallel and rival administration (:) Psellos Keroularios 362
Michael Bourtzes, vestarches (Michael 120)
  • Reached Kastamon, took Isaakios 1 Komnenos to Gounaria, gathered the area's soldiers and those who wanted to join in the rebellion (against Michael 6), and proclaimed him sole emperor of the Romans (on June 8 of the 10th indiction (1057):ὀγδόην ἄγοντος τότε τοῦ Ἰουνίου μηνός, τῆς δεκάτης ἰνδικτιῶνος) Skylitzes 489.71-78
  • Awaited the outbreak of the rebellion (of the eastern generals against Michael 6) but when he heard of the capture of Bryennios (Anonymus 195) he feared that if tortured, the latter might betray their cause, and decided to leave for Paphlagonia: in association with Romanos 104, Nikephoros 3 Botaneiates, Anonymi 121 (:) Skylitzes 488.64-489.70
  • Considered whom to proclaim emperor and decided that Kekaumenos (Katakalon 101) was more worthy than all others, being older, more courageous and experienced, but when the latter refused the offer and proposed Isaakios 101 instead, he agreed: in association with Isaakios 1 Komnenos, Katakalon 101 Kekaumenos, Konstantinos 10 Doukas and Ioannes 62 Doukas (:) Skylitzes 487.24-33
Emperor Nikephoros III Botaneiates (Nikephoros 3)
  • Awaited the outbreak of the rebellion (of the eastern generals against Michael 6) but when he heard of the capture of Bryennios (Anonymus 195) he feared that if tortured, the latter might betray their cause, and decided to leave for Paphlagonia: in association with Romanos 104, Michael 120 Bourtzes, Anonymi 121 (:) Skylitzes 488.64-489.70
  • Reached Kastamon, took Isaakios 1 Komnenos to Gounaria, gathered the area's soldiers and those who wanted to join in the rebellion (against Michael 6), and proclaimed him sole emperor of the Romans (on June 8 of the 10th indiction (1057):ὀγδόην ἄγοντος τότε τοῦ Ἰουνίου μηνός, τῆς δεκάτης ἰνδικτιῶνος) Skylitzes 489.71-78
Romanos Skleros, brother of Maria Skleraina (Romanos 104)
  • Aware of the conspiracy (of the eastern generals against Michael 6) he awaited the outbreak of the rebellion, but when he heard of the capture of Bryennios (Anonymus 195) he feared that if tortured, the latter might betray their cause: in association with Michael 120 Bourtzes, Nikephoros 3 Botaneiates, Anonymi 121 (:) Skylitzes 488.64-489.70
  • Reached Kastamon, took Isaakios 1 Komnenos to Gounaria, gathered the area's soldiers and those who wanted to join in the rebellion (against Michael 6), and proclaimed him sole emperor of the Romans (on June 8 of the 10th indiction (1057):ὀγδόην ἄγοντος τότε τοῦ Ἰουνίου μηνός, τῆς δεκάτης ἰνδικτιῶνος) Skylitzes 489.71-78