The year 1198 marks the renaissance of the Armenian kingship for the last time. After only a year from his coronation, Lewon I sent a letter to Innocent III trying to secure his help in a war for the Antiochene succession which opposed his nephew, Raymond-Rupen, to Bohemond IV, count of Tripoli. The present article seeks to present and analyse Lewon’s foreign policy during this conflict, especially his diplomatic approaches towards the papacy.