Kiya Buzurg-Ummid

Kiya Buzurg-Ummid
TitleDāʿī
Personal life
BornUnknown
Died9 February 1138
ChildrenMuhammad ibn Kiya Buzurg Ummid
Kiya Ali
RegionIran
Main interest(s)Islamic theology, Islamic jurisprudence
Notable idea(s)Evolution, Oneness of God
Religious life
ReligionNizari Ismaili
JurisprudenceNizari Ismaili Shi'ism
Senior posting
PredecessorHassan-i Sabbah
SuccessorMuhammad ibn Buzurg-Ummid
Influenced by

Kiyā Buzurg-Ummīd (Persian: کیا بزرگ امید; died 1138) was a dāʿī and the second ruler (da'i) of the Nizari Isma'ili State, ruling Alamut Castle from 1124 to 1138 CE (or 518—532 AH). He was of Daylami origin from the region of Rudbar.