Original: Leo II or Leon II ( occasionally numbered Leo III ; , Levon II ; c. 1236 1289 ) was king of the Armenian Kingdom of Cilicia , ruling from 1269Cambridge Medieval History , Volume IV , p. 634/1270 to 1289 .
Simplified: Leo ( or Leon ) III of Armenia ( c.1236-1289 ) was king of the Armenian Kingdom of Cilicia , ruling from 1270 to 1289 .