id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-3928 Tiberius II Constantine - Wikipedia .html text/html 4083 473 70 In 577, however, Justinian was defeated in Persian Armenia, forcing a Byzantine withdrawal.[11] In response to that defeat, Tiberius replaced Justinian with the future emperor Maurice.[9][11] During the truce that Tiberius concluded with Khosrau, he busily enhanced the army of the east not only with transfers from his western armies but also through barbarian recruits, which he formed into a new foederati unit, amounting to some 15,000 troops by the end of his reign.[9][11] Maurice was betrothed to Constantina, and Germanus, related through blood to the great emperor Justinian, was married to Charito.[15] It appears that his plan was to divide the empire in two, with Maurice receiving the eastern provinces and Germanus the western provinces.[15] This plan was never implemented, and on 13 August 582, he elevated Maurice to the rank of Augustus.[16][17] Constantine IV with brothers Heraclius and Tiberius and then Justinian II as co-emperors Justinian II (second reign) with son Tiberius as co-emperor ./cache/en-wikipedia-org-3928.html ./txt/en-wikipedia-org-3928.txt