Dawāzdah Imām, is a domed mausoleum or shrine (buqʿa) in the city of Yazd which, according to the inscription of foundation, was built in 429/1038 apparently by two sons of Yināl, Abū Najam Badr and Abū Yaʿqūb Isḥāq, both commanders in the army of the founder of the Kākūyid dynasty, Abū Jaʿfar ʿAlāʾ al-Dawla Daylamī, who reigned in the Jibāl ca. 398–443/1008–1041 (Afshār 2/311).

There is no mention of this structure in any written historical source. However, the building has been recognised in recent research on the history of Persian architecture as a struc…