Qarmatians (900–1073 CE) — Ismaili (It became a separate Qarmatian sect and separated from Shia) (Qatar penisula and Baynunah coast and Julfar coast and Buraimi city and Fujairah coast)
Uyunid Emirate (1073-1253 CE) — Twelver (Qatar penisula and Baynunah coast in UAE)
Usfurids (1253–1320 CE) — Twelver (Qatar penisula and Baynunah coast in UAE)
Jarwanid dynasty (1305–1487 CE) — Twelver (Qatar penisula and Baynunah coast in UAE)
Jabrids (1417-1524 CE) — Twelver (Qatar penisula,and Baynunah coast and julfar (Old Ras Al Khaimah) coast and Buraimi city in UAE)
^شاكر مصطفى, موسوعة دول العالم الأسلامي ورجالها الجزء الأول, (دار العلم للملايين: 1993), p.420
^As a vassal state, due to political conflict with the Fatimids, in around 1048 the dynasty changed alliagance to the Sunni Abbasid Caliphate and the ruling elite switched from Shia (Zaydi or Ismaili) Islam to Sunnism. See Idris H. Roger, L'invasion hilālienne et ses conséquences, in : Cahiers de civilisation médiévale (43), Jul.-Sep. 1968, pp.353-369. [1] and Berry, LaVerle. "Fatamids". Libya: A Country Study. Library of Congress. Retrieved 5 March 2011.
^Juan R. I. Cole, "Rival Empires of Trade and Imami Shiism in Eastern Arabia, 1300-1800", International Journal of Middle East Studies, Vol. 19, No. 2. (May, 1987), pp. 177-203, at p. 179, through JSTOR. [2]