Hasan ibn Ustadh-Hurmuz
Daylamite military officer / From Wikipedia, the free encyclopedia
Abu Ali Hasan ibn Ustadh-Hurmuz (Arabic: أبو علي حسن بن أستاذ هرمز), commonly known after his father as Ibn Ustadh-Hurmuz (ابن أستاذ هرمز) (died 1011) was a Daylamite[1] military officer of the Buyids, and an important figure in the Buyid state during the late 10th century.