al-Julandā ibn Masʿūd

…the first Ibāḍite imam, al-Julandā ibn Masʿūd, was elected at about the beginning of the Abbasid caliphate. After the Ibāḍite invasion of southern Arabia in 893, Oman wavered between independence and subjection to the Abbasids and their Būyid or Seljuq supporters. By the 12th century the Seljuq hold had…