Buyid dynasty
Buyid dynasty, also known as the Buyid Empire or the Buyids ( "Āl-e Buye", Caspian: Bowyiyün), also known as "Buwaihids" or "Buyyids", were a Shī‘ah Persian dynasty that originated from Daylaman. They founded a confederation that controlled most of modern-day Iran and Iraq in the 10th and 11th centuries.