Pope Leo IX wrote to to Konstantinos IX, welcoming his initiative in making overtures of peace to the papacy. He claimed it had been the unspeakable brutality of the Normans in murder and torture which forced him to take up arms against them - but without success. He asked Konstantinos to imitate Konstantinos I in supporting the universal church, in alliance with Henry IV. He accused Keroularios of persecuting the Roman church for the use of azymes, and of trying to subordinate the patriarchates of Alexandria and Antioch to himself. He presented the three legates he was sending to Constantinople, hoping they would bring Keroularios to his senses and restore peace. He reassured Konstantinos over Petros of Amalfi