Yazdegerd III was the last Sasanian King of Kings of Iran from 632 to 651. His father was Shahriyar and his grandfather was Khosrow II.
The Muslim conquest of Persia, also called the Muslim conquest of Iran, the Arab conquest of Persia, or the Arab conquest of Iran, was a major military campaign undertaken by the Rashidun Caliphate between 632 and 654. As part of the early Muslim conquests, which had begun under Muhammad in 622, it led to the fall of the Sasanian Empire and the eventual decline of Zoroastrianism, which had been predominant throughout Persia as the nation's official religion. The persecution of Zoroastrians by the early Muslims during and after this conflict prompted many of them to flee eastward to India, where they were granted refuge by various kings.
Rostam Farrokhzād was a dynast from the Ispahbudhan family, who served as the spahbed of the northwestern quarter (kust) of Adurbadagan under the Sasanian monarchs Boran and Yazdegerd III. Rostam is remembered as a historical figure, a character in the Persian epic poem Shahnameh, and as a touchstone of many Iranian nationalists.
The Seven Great Houses of Iran, also known as the seven Parthian clans, were seven feudal aristocracies of Parthian origin, who were allied with the Sasanian court. The Parthian clans all claimed ancestry from Achaemenid Persians.
The Bavand dynasty, or simply the Bavandids, was an Iranian dynasty that ruled in parts of Tabaristan in what is now northern Iran from 651 until 1349, alternating between outright independence and submission as vassals to more powerful regional rulers. They ruled for 698 years, which is the second longest dynasty of Iran after the Baduspanids.
Farrukhzad was an Iranian aristocrat from the House of Ispahbudhan and the founder of the Bavand dynasty, ruling from 651 to 665. Originally a powerful servant of the Sasanian king Khosrow II, he, along with several other powerful aristocrats made a conspiracy against the latter and ended his tyrannical rule. They thereafter put Khosrow's son Kavadh II on the throne, whose rule lasted only a few months, before he was killed by a plague, being succeeded by his son Ardashir III, who was only after one year murdered by the rebellious former Sasanian army chief (spahbed) Shahrbaraz, who usurped the throne.
Vistahm or Bistam, was a Parthian dynast of the Ispahbudhan house, and maternal uncle of the Sasanian king of kings of Iran, Khosrow II. Vistahm helped Khosrow regain his throne after the rebellion of another Parthian noble Bahram Chobin, of House of Mihran, but later led a revolt himself, and ruled independently over a region which encompassed the entire Iranian East until he was defeated by Khosrow and his allies.
The Dabuyid dynasty, or Gaubarid dynasty, was a Zoroastrian Iranian dynasty that started in the first half of the 7th century as an independent group of rulers that ruled over Tabaristan and parts of western Khorasan. Dabuyid rule over Tabaristan and Khorasan lasted from around 642 to the Abbasid conquest in 760.
Farrukh Hormizd or Farrokh Hormizd, also known as Hormizd V, was an Iranian prince, who was one of the leading figures in Sasanian Iran in the early 7th-century. He served as the military commander (spahbed) of northern Iran. He later came in conflict with the Iranian nobility, "dividing the resources of the country". He was later killed by Siyavakhsh in a palace plot on the orders of Azarmidokht after he proposed to her in an attempt to usurp the Sasanian throne. He had two children, Rostam Farrokhzad and Farrukhzad.
The House of Ispahbudhan or the House of Aspahbadh was one of the seven Parthian clans of the Sasanian Empire. Like the Sasanians, they claimed descent from the Achaemenid dynasty. They also claimed descent from the legendary Kayanid figure Isfandiyar, who was the son of Vishtaspa, who according to Zoroastrian sources was one of Zoroaster's early followers.
Siyavakhsh was an Iranian aristocrat from the House of Mihran who was descended from Bahram Chobin, the famous spahbed of the Sasanian Empire.
Piruz Khosrow, also known as Piruzan or Firuzan, was a powerful Persian aristocrat who was the leader of the Parsig (Persian) faction that controlled much of the affairs of the Sasanian Empire during the Sasanian civil war of 628-632. He was killed at the Battle of Nahāvand in 642.
Gil Gavbara, also known as Gavbarih, was king and founder of the Dabuyid dynasty in 642, ruling until his death in 660.
The Sasanian civil war of 628–632, also known as the Sasanian Interregnum was a conflict that broke out after the execution of the Sasanian king Khosrow II between the nobles of different factions, notably the Parthian (Pahlav) faction, the Persian (Parsig) faction, the Nimruzi faction, and the faction of general Shahrbaraz. Rapid turnover of rulers and increasing provincial landholder power further diminished the empire. Over a period of four years and fourteen successive kings, the Sasanian Empire weakened considerably, and the power of the central authority passed into the hands of its generals, contributing to its fall.
Isfandyadh 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.
The Masmughans of Damavand were a local dynasty, which ruled Damavand and its surrounding areas from ca. 651 to 760. The founder of the dynasty was a Karenid named Mardanshah of Damavand.
The Battle of Nishapur was fought in 652 between the Karen family and the Rashidun Caliphate along with their allies, the Kanārangīyān family.
Surkhab I was the second ruler of the Bavand dynasty from ca. 673 to 717.
Valash, was an Iranian prince from the House of Karen, who later became the ruler of Tabaristan in 665.
Wuzurgan, also known by its Modern Persian form of Bozorgan (بزرگان), was the name of the high nobility and the third class-rank of the four of the Sasanian aristocracy. After the fall of the Sasanian Empire, they reappear under the Dabuyid dynasty.
