Mardāvīz ebn Zeyār

…founder of the dynasty was Mardāvīz ebn Zeyār (reigned 927–935), who took advantage of a rebellion in the Sāmānid army of Iran to seize power in northern Iran. He soon expanded his domains and captured the cities of Hamadān and Eṣfahān. Mardāvīz was murdered in 935, and Zeyārid power thereupon…

…their allies the Ziyārids under Mardāvīj. Mardāvīj introduced the three Buyid brothers to the Iranian plateau, where he established an empire reaching as far south as Isfahan and Hamadan. He was murdered in 935, but his Ziyārid descendants sought Samanid protection. They adhered to Sunni Islam and maintained themselves in…