initially regional princes, their close ties with the Western world after the First Crusade saw the principality recognised as a kingdom under Leo I by the Holy Roman Empire in 1198. The rulers of the Armenian Kingdom of Cilia thereafter styled themselves simply as "King of Armenia". Rubenid dynasty (1080–1252) Ruben I, prince 1080–1095 Constantine I, prince 1095–1099, son of Ruben I Thoros I, prince 1100–1129, son of Constantine I Leo I, prince 1129–1138, son of Constantine I Interregnum 1138–1145: Cilicia was occupied by the Byzantine Empire Thoros II, prince 1145–1169, son of Leo I Ruben II, prince 1169–1170, son of Theodore II Mleh, prince 1170–1175, son of Leo I Ruben III, prince 1175–1186, grandson of Leo I Leo I "the Magnificent", prince (as Leo II) 1186–1198 and king 1198–1219, brother of Ruben III Isabella, 1219–1252, daughter of Leo I Philip of Antioch, 1222–1224, first husband and co-ruler of Isabella Hethumid dynasty (1226–1341) The Hethumid dynasty gained power through marriage with Isabella of the Rubenid dynasty. Upon her death, her husband Hethum I became sole ruler and was followed as king by their descendants. Hethum I, 1226–1269, second husband of Isabella Leo II, 1269–1289, son of Hethum I and Isabella Hethum II (first reign), 1289–1293, son of Leo II Thoros, 1293–1294, son of Leo II Hethum II (second reign), 1294–1296 Smbat IV, 1296–1298, son of Leo II Constantine I, 1298–1299, son of Leo II Hethum II (third reign), 1299–1305 Leo III, 1305–1308, son of Thoros Oshin, 1308–1320, son of Leo II Leo IV, 1320–1341, son of Oshin Lusignan and Neghir dynasties (1342–1375) After the death of Leo IV in 1341 his cousin Guy de Lusignan was elected to succeed him as Constantine II, beginning the rule of the Lusignan dynasty. This dynasty ruled for just over three decades before Cilicia was captured by the Mamluks, bringing an end to the kingdom. Constantine II, 1342–1344, cousin and chosen successor of Leo IV (House of Lusignan) Constantine III, 1344–1363, elected by the Armenian nobility; grandnephew of Hethum I (House of Neghir) Leo (V) "the Usurper", 1363–1365, unknown lineage; seized the throne and then abdicated after a reign of two years Constantine IV, 1365–1373, cousin of Constantine III (House of Neghir) Peter de Lusignan, King of Cyprus, was invited to become king by some Armenian barons in 1368 but died in 1369 while making preparations to cross the sea to Cilicia with his