History of Kurds
The Marwanids were a Kurdish dynasty in the Diyar Bakr region of Upper Mesopotamia and Armenia. The founder of the Marwanids, Bad or Baz was a shepherd, took up arms and became a war chief, gained popularity, and from the middle of the tenth century embarked on conquests in Eastern Anatolia. He first came from the south and took Erciş and the fortified positions around it. Baz (Bad), strengthening his influence, captured Diyarbakir (Amid) and Silvan and Nusaybin, which were under the control of the Buyids.