Kayesrar -

Throughout history, the title has been adopted by various powerful dynasties to claim the legacy of Rome:

It became Tsar (or Czar), the title for Russian monarchs. 2. Historical Significance and Titles Kayesrar

Qaisar (قیصر) or Kaysar evolved to mean "King" or "Ruler". Throughout history, the title has been adopted by

It transitioned into Kaiser , used by the emperors of the Holy Roman and German Empires. Kayesrar