Nusrat al-Din Abu Bakr ( fa, نصرت الدین ابوبکر), was the ruler (''

atabeg Atabeg, Atabek, or Atabey is a hereditary title of nobility of Turkic origin, indicating a governor of a nation or province who was subordinate to a monarch and charged with raising the crown prince. The first instance of the title's use was wit ...

'') of the

Eldiguzids The Ildegizids, EldiguzidsC.E. Bosworth, "Ildenizids or Eldiguzids", Encyclopaedia of Islam, Edited by P.J. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel and W.P. Heinrichs et al., Encyclopædia of Islam, 2nd Edition., 12 vols. with index ...

from 1191 to 1210. He used the titles of ''Jahan-pahlavan'' ("champion of the world"), ''al-Malik al-Mu'azzam'' ("the respected king"), and ''Shahanshah al-A'zam'' ("the great king of kings").

Sources

* {{DEFAULTSORT:Nusrat al-Din Abu Bakr 12th-century monarchs in the Middle East 13th-century monarchs in the Middle East 1210 deaths 12th-century births 13th-century Turkic people 12th-century Turkic people Shahanshahs Eldiguzids