 Many amongst the nobility considered him too weak to properly handle the threat posed by the Romans and the possibility of invasion.Many of the nobility decided to instead challenge his succession to the throne and instead pledged allegiance to Narseh, the last remaining son of Shapur I, and someone who was perceived as being a stronger leader and one who would be able to bring glory to Iran.Four months into Bahram's reign, his grand-uncle Narseh was summoned to Mesopotamia at the request of many members of the Iranian nobility.