Rustam Dushmanziyar

Rustam was the brother of the wife of the Buyid ruler Fakhr al-Dawla, Sayyida Shirin,^[1][2] who was sister, or more likely, the niece of the Bavandid ruler al-Marzuban.^[3] Rustam had a son named Muhammad ibn Rustam Dushmanziyar, who would later establish the Kakuyid dynasty of Isfahan.

Rustam, because of his great service to Fakhr al-Dawla, was rewarded with land in Alborz in appreciation of his services. His duty was to protect Ray and northern Jibal against the local leaders from Tabaristan.^[4] He later died at an unknown date before 1007, which was the date Muhammad ibn Rustam Dushmanziyar established the Kakuyid dynasty.

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