installed her son Bohemond III and now brother-in-law to the emperor, as regent. One year later, Nur ad-Din Zangi captured Bohemond III when he defeated a joint Antiochene-Tripolitan army. Bohemond III was soon released; however, Harem, Syria, which Raynald had recaptured in 1158, was lost again and the frontier of Antioch was permanently placed west of the Orontes. Byzantine influence remained in Antioch and in 1165, Bohemond III married a niece of the emperor, Maria of Antioch, and installed a Greek patriarch in the city, Athanasius II, Patriarch of Antioch, who remained in his position until he died in an earthquake five years later. Third Crusade On October 29, 1187, Pope Gregory VIII issued the papal bull Audita tremendi, his call for the Third Crusade. Frederick I Barbarossa, Richard I of England, and Philip II of France answered the summons. With Richard and Philip deciding to take a sea route, Frederick lacked the necessary ships and took a land route where he pushed on through Anatolia, defeating the Turks in the Battle of Iconium; however, upon reaching Christian territory in Lesser Armenia (Armenian Kingdom of Cilicia) the emperor drowned in the river Saleph. The emperor was buried at Antioch and the Germans became an insignificant contingent during the crusade. Throughout the Third Crusade, Antioch remained neutral; however, with the end of the Third Crusade (1192), they were included in the Treaty of Ramla between Richard and Saladin. Battles for sovereignty With no heir after the death of Raymond III, Count of Tripoli in the Battle of Hattin he left his godson, Raymond IV, Count of Tripoli, the eldest son of Bohemond III. However, Bohemond installed his younger, the future prince Bohemond IV of Antioch, as count of Tripoli. Shortly after the end of the Third Crusade, Raymond IV, Count of Tripoli married Alice of Armenia, the niece of Leo II, or Leo I, King of Armenia, and a vassal to Antioch. Alice bore Raymond IV a son in 1199, Raymond-Roupen, after which Raymond IV died in the coming months. In 1194 Leo II tricked Bohemond III making him believe that the new born prince had been captured by the Roupenians. Leo made a failed attempt at capturing Antioch believing the city would be weakened with the absence of Bohemond. Henry II, Count of Champagne nephew to both Richard I and Philip II, travelled to Lesser Armenia and managed to persuade