Isfandyadh

Isfandyadh (Middle Persian: Spandiyār) was an Iranian aristocrat from the Ispahbudhan family, who was the ruler of the Sasanian province of Adurbadagan. He was the son of the powerful Sasanian general Farrukhzad, who was the brother of Rostam Farrokhzad and the son of Farrukh Hormizd.

== Biography == 270px|thumb|right|Map of Adurbadagan and its surroundings. Isfandyadh first appears in 642/643, where he is mentioned as the prince of Adurbadagan, who at the head of a big army along with Muta and Varaztirots, fought the Muslim Arabs at Waj Rudh, a village in Hamadan. However, he along with the Sasanian commanders were defeated. Some years later, in 651, the Arabs invaded Adurbadagan, the domains of Isfandyadh and his brother Bahram. Isfandyadh once again made a stand against the Arabs, where a battle was fought. He was, however, once again defeated and this time captured.