The record of a strategos named Leo Opos, sent to Italy at about the same time, is probably of the same person.
Constantine gave a diploma to a monastery near Troia in November 1034.
In 1037, the Zirid sultan of Tunisia, Sharaf ad-Dawla al-Mu'izz ibn Badis, sent his son Abdallah to fight the Sicilian emir Ahmad II al-Akhal.
The next year Constantine disappears from the record to be replaced by Michael Spondyles and then Nikephoros Doukeianos.
This Byzantine biographical article is a stub.