In the north, where Fakhr al-Dawla's sons ruled, the Buyid frontier also fell back, as the Ziyarids of Gorgan and Tabaristan permanently wrested themselves from Buyid control.
The Ziyarids of Gorgan and Tabaristan permanently wrested themselves from Buyid control. In the north, where Fakhr al-Daula's sons ruled, the Buyid frontier also fell back.
In the north, where Fakhr al-Daula's sons ruled, the Buyid frontier also fell back. The Ziyarids of Gorgan and Tabaristan permanently wrested themselves from Buyid control.
In the north, where Fakhr al-Daula's sons ruled, the Buyid frontier also fell back. The Ziyarids of Gorgan and Tabaristan permanently wrested themselves from Buyid control.