 The reason behind his murder was due to his continuation of Shapur II's policy of restricting the authority of power-hungry nobles.Shapur III then succeeded him; according to the narratives included in the history of al-Tabari, Shapur III was well received by his subjects due to the crown being given to a offspring of Shapur II.Knowing about the murder of several Sasanian kings by the nobility, Shapur III declared to them in his accession speech, that he would not allow deceit, greed or self-righteousness at his court.