Ardashir I, and that the latter was only able to declare himself Kings of Kings after he defeated Farn-Sasan in 226, which marked the end of Indo-Parthian rule. Notes References Sources Kalani, Reza. 2017. Multiple Identification Alternatives for Two Sassanid Equestrians on Fīrūzābād I Relief: A Heraldic Approach. Tarikh Negar Monthly. Indo-Parthian kings 3rd-century monarchs in Asia 3rd-century Iranian people 226 deaths Year of birth unknown