 In the Roman empire 's hierarchical system , a vassal king usage of the King of Kings title did not indicate that he is a peer of the emperor or that the vassalage ties were cut . The title was probably a challenge not to the Roman emperor but to Shapur I ; Odaenathus was declaring that he , not the Persian monarch , was the legitimate King of Kings in the East . A tessera depicting Hairan I shows him wearing a crown shaped like that of the Parthian monarchs , so it must have been Odaenathus ' crown ; this combination of title and imagery indicate that Odaenathus considered himself the rival of the Sassanians and the protector of the region against them . 
 In the Roman empire <a href='null_genetive' title='1'><mark>'s</mark></a>hierarchical system , a vassal king usage of the King of Kings title did not indicate that he is a peer of the emperor or that the vassalage ties <a href='uninflect' title='2'><mark>were</mark></a> cut . The title was probably a challenge not to the Roman emperor but to Shapur I ; Odaenathus was declaring that he , not the Persian monarch , was the legitimate King of Kings in the East . A tessera depicting Hairan I <a href='uninflect' title='3'><mark>shows</mark></a> him wearing a crown shaped like that of the Parthian monarchs , so it must have been Odaenathus <a href='null_genetive' title='4'><mark>'</mark></a>crown ; this combination of title and imagery indicate that Odaenathus considered himself the rival of the Sassanians and the protector of the region against them . 
In the Roman empire  hierarchical system , a vassal king usage of da King of Kings title did not indicate that he is a peer of tdaemperor or that the vassalage ties was cut . Thdaitle was prolly a challenge not to the Roman emperor but to Shapur I ; Odaenathus was declaring dat he , not thedarsian monarch , was the legitimate King of Kings in the East . A tessera depicting Hairan I show em wearin a crown shaped like tdatof the Parthian monarchs , soo it must have been Odaenathus  crown ; this combination of title and imagery indicate thdatdaenathus considered himself the rival of the dasanians and the protector of the rdaon against them .