"Ali ibn Buya (Persian: علی بن بویه), commonly known by his laqab (honorific epithet) Imad al-Dawla (عمادالدوله; c. 891/2 – December 949), was the founder of ...
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the Buyid amirate of Fars, ruling as its amir (ruler) from 934 to 949. Together with his two younger brothers, Rukn al-Dawla and Mu'izz al-Dawla, he established a triumvirate, centered on Ray, Shiraz and Baghdad." - (Wikipedia (en) 22.11.2021)
