title: Gilanshah
text: # Gilanshah
  
  Gilanshah (Persian: گیلانشاه) was the last ruler of the Ziyarid dynasty from ca. 1087 to 1090. He was the son and successor of Keikavus. Little is known about Gilanshah; his kingdom was invaded by the Nizari Ismaili state in 1090, ending Ziyarid rule in Tabaristan.
  
  ## Family tree
  
  Ancestors of Gilanshah :
  
  ## Sources
  
  * Madelung, W. (1975). "The Minor Dynasties of Northern Iran". In Frye, Richard N. (ed.). The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs. Cambridge: Cambridge University Press. pp. 198–249. ISBN 0-521-20093-8.
  * Bosworth, C. E. (1968). "The Political and Dynastic History of the Iranian World (A.D. 1000–1217)". In Boyle, John Andrew (ed.). The Cambridge History of Iran, Volume 5: The Saljuq and Mongol Periods. Cambridge: Cambridge University Press. pp. 1–202. ISBN 0-521-06936-X.
  * Marlow, Louise (2018). "Kay Kāʾūs b. Iskandar". In Fleet, Kate; Krämer, Gudrun; Matringe, Denis; Nawas, John; Rowson, Everett (eds.). Encyclopaedia of Islam (3rd ed.). Brill Online. ISSN 1873-9830.
  * This biography of an Iranian ruler or member of a royal family is a stub. You can help Wikipedia by expanding it.
  * v
  * t
  * e
  
  | Preceded byKeikavus | Ziyarid ruler c. 1087–1090 | Succeeded byNone |
  | - | - | - |
  