If Prince Motoi, the Crown Prince suddenly died and if anything happened to Emperor Shomu who was sick himself at that time, the Imperial Princess who was the aunt of the Emperor and her sons were thought to have had the possibility of succeeding the Imperial Throne.
当時皇太子基王が急死し、自らも病弱であった聖武天皇に万が一の事があれば、天皇の叔母にあたる内親王やその子供達の皇位継承の可能性もあったと考えられる。