Gilooyeh clan and their social political role in Abbasids period (2nd and 3rd centuries)

Gilooyeh clan or rouzbeh family was one of the most famous and effective Iranian clans of Fars during the first three centuries Sassanids who was gradually successful to penetrate in Abbasid Caliphate and to show their important roles in social- political events, in addition to their periodic battles with aggressive and dominant Arabs. Gilooyeh himself who was the most famous and prominent member of his clan to the scale that made him to rule a wide part of Fars and the region was named Gilooyeh after him.Gathered a great army and fought the clan of Abu Dolafe Ejli who attended and dominated on some parts of Iran, particularly the Persian Iraq, from 2nd century.Despite the temporary successes and the death of the Maaqal, the brother of Abu Dolafe, he was finally killed.His vast territory, included regions from about Shiraz to Semirom, Lordegan, Arejan(Behbahan), some parts of the Persian Gulf shores, Mamasani, Kohgiluye and Boyer Ahmad, was considered as the territory of his clan. His sons, Khalid and Hassan, and his grandson, Muhammad bin Hassan attended and influenced in the court of Abbasid Caliphs and kept the important role of the clan on. This article, accomplished on a historical library method, is trying to reply to this question: “what was the social and political role of the Iranian Gilooyeh clan in Abbasid caliphate?”