Baduspanids

The longest Iranian dynasty ruler of the land of Royan (665–1598)

The Baduspanids, Paduspanids or Badusbanids (Persian: بادوسپانیان, romanized: Bâduspâniân), 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 Iran, it ended in 1598 when the Safavids invaded and conquered their domains.