A letter from Ioannes Doukas (the future kaisar) from Edessa was very supportive of his brother Konstantinos (X)

Summary:
Ioannes Doukas the kaisar praised his brother Konstantinos (X) before and after accession, especially in the letter Ioannes sent from Edessa. It was to be mentioned later in a letter from Psellos to encourage Ioannes, who feared that Konstantinos had become hostile to him 
Dates:
1059 (Uncertain) 
Ioannes Doukas, kaisar (Ioannes 62)
  • He was praised without flattery by Psellos, who quoted Ioannes himself over his fear that Konstantinos 10 had become hostile; he had praised his brother before and after accession (cf the letter Ioannes sent from Edessa) (:) Psellos Letters (Gautier) 8.1-39
Emperor Konstantinos X Doukas (Konstantinos 10)
  • It was feared that his attitude to Ioannes 62 had become hostile, despite praise from Ioannes before and after his accession (including a letter from Edessa); he was a reserved man whose views could be misread (:) Psellos Letters (Gautier) 8.1-57
Michael Psellos (named Konstantinos till tonsure in 1054) (Michael 61)
  • Ioannes 62, almost co-emperor of Konstantinos 10, was praised without flattery by Psellos; over IoannesÂ’ fear that his brother had become hostile, Psellos quoted Ioannes himself, who praised him before and after accession (cf the Edessa letter) (:) Psellos Letters (Gautier) 8.1-39