Shahriyar III ibn Jamshid was the

Baduspanid The Baduspanids or Badusbanids ( fa, پادوسبانیان, Pâdusbâniân), were a local Iranian dynasty of Tabaristan which ruled over Ruyan/Rustamdar. The dynasty was established in 665, and with 933 years of rule as the longest dynasty in I ...

ruler of Ruyan and Rustamdar from 937 to 949. He belonged to a distant branch of the family, descended from

Afridun ibn Karan Afridun ibn Karan was a Baduspanid The Baduspanids or Badusbanids ( fa, پادوسبانیان, Pâdusbâniân), were a local Iranian dynasty of Tabaristan which ruled over Ruyan/Rustamdar. The dynasty was established in 665, and with 933 years ...

. After a period of instability and dynastic struggles, Shahriyar emerged victorious and took over the throne, thus establishing a new line known as the Shahriyarids, succeeding the previous Afridunids. The new line notably wielded the pre-Islamic title of ''

ustandar ''Ostandar'' or ''Ustandar'' was an administrative title wielded by provincial governors under the Sasanian Empire. They governed the royal lands, known as the ''ostan''. The title was later assumed by the Baduspanids of Ruyan, starting with Sha ...

'', originally an administrative title of provincial governors under the Sasanian Empire.

References

Sources

* {{Baduspanids 10th-century monarchs in the Middle East 10th-century Iranian people Baduspanids