 Complete the following phrase:  According to Abū Dulaf, an Arab traveller of the time, Khachen was an Armenian principality immediately south of Bardaa. The Armenian princely family of Hasan Jalalyan began ruling much of Khachen and Artsakh in 1214. In 1216, the Jalalyans founded the Gandzasar monastery which became the seat of a local Catholicos forced to Khachen from Partav Barda by the steady Islamization of the city. The Khamsa The Five principalities maintained Armenian autonomy in the region throughout the 