(Yazidids), a dynasty of Arab governors of Shirwan (799-1050).
The founder of the Mazyadids was Yazid ibn Mazyad al Shaybani. His descendants exploited the weakening of the caliphate to turn Shirwan into their own hereditary possession, and in 861 assumed the title of Shirwanshah. In the mid-ninth century, the Mazyadids also controlled Caucasian Albania (Aran). The Mazyadids were particularly strong in the tenth century. Vassal dependencies of the Mazyadids included, at different times, the historical region of Sheki, and part of southeast Dagestan including Derbent, Lakz (land of the Lezgins), and Tabasaran (land of the Tabasaranians).