Note:  Do not rely on this information. It is very old.

Abul Faraj

Abul-Faraj, Gregor, known as Abulfaragius and Barhebraas, an Armenian Jew, born 1226, and educated as a physician. He settled in Tripoli, and became first Bishop of Guba (1246), afterwards of Aleppo. His History of the World contains valuable information as to the Saracens, the Tartar Mongols, and the conquests of Genghis-Khan. He died at Maragha in 1266.