id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-4282 Alexios IV Angelos - Wikipedia .html text/html 2086 309 66 This article includes a list of general references, but it remains largely unverified because it lacks sufficient corresponding inline citations. Predecessor Alexios III Angelos He was the son of Emperor Isaac II Angelos and his first wife, an unknown Palaiologina, who became a nun with the name Irene. His paternal uncle was his predecessor Emperor Alexios III Angelos. Alexios was paraded outside the walls, but the citizens were apathetic, as Alexios III, though a usurper and illegitimate in the eyes of the westerners, was an acceptable emperor for the Byzantine citizens. The Crusaders could not accept this, and forced Isaac II to proclaim his son Alexios IV co-emperor on 1 August. Constantine III with son Constans II Constantine IV with brothers Heraclius and Tiberius and then Justinian II as co-emperors John II Komnenos with Alexios Komnenos as co-emperor Alexios III Angelos Alexios III Angelos Sons of Byzantine emperors ./cache/en-wikipedia-org-4282.html ./txt/en-wikipedia-org-4282.txt