Masmughans of Damavand
|Common languages||Middle Persian, Caspian languages|
|Historical era||Middle Ages|
• Abbasid conquest
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The Masmughans of Damavand (Middle Persian: Masmughan-i Dumbawand, New Persian: مس مغان دماوند, meaning Great Magians of Damavand) were a local dynasty, which ruled Damavand and its surrounding areas from ca. 651 to 760. The founder of the dynasty was a Karenidnamed Mardanshah of Damavand.
The Masmughans of Damavand are first mentioned by Al-Tabari, where the Masmughan Mardanshah of Damavand reportedly aided the Mihranid Siyavakhsh at Ray against the Arabs. The forces of Siyavakhsh and Mardanshah, were, however, defeated. Mardanshah then made peace with the Arabs in return for an annual tribute.
In 748/749, Abu Muslim sought to subdue the Masmughan but his general Musa ibn Kab was ambushed by the local forces who enjoyed the advantage of the terrain, which forced him to return to Ray. In 758/759 due to disputes between Abarwiz and his brother, who is simply called Masmughan in Arabic sources, Abarwiz then went over to the Caliph Al-Mansur who gave him a pension. In some Arabic sources Abarwiz is called Al-Masmughan Malik ( malik of the Masmughans ), and is known for his bravery.
In 760, Masmughan, the brother of Abarwiz, was at war against his father-in-law, the Dabuyid ispahbadh Khurshid, but when he heard about the Abbasid expedition to Tabaristan, he made peace with the latter. The Arabs then defeated the ispahbadh and the Masmughan, who was captured along with his daughters Bakhtariya and Shakla. One of these daughters became the wife of Al-Mahdi.