Constantine has been described by the orthodox historians of his time as a.
The premature death of Constantine, in May 641, left Heracleonas sole ruler.
The siege had lasted fifty-three days when, on the 29th of May 1453, a tremendous assault was successful; the desperate efforts of the Greeks were unavailing, Constantine himself falling among the foremost defenders of the breach.
During the campaign Peter had entered into alliance with the hospodars of Moldavia and Walachia, respectively Demetrius Cantemir and Constantine Brancovano, from whom he had received material assistance.
In pursuance of this agreement Constantine Ypsilanti was appointed to Walachia and Alexander Muruzi to Moldavia - both devoted to Russian interests.