There is also a theory that Ankan and Senka era existed together with the era of Emperor Kinmei, who was the younger brother of them, ascended the throne shortly after the death of their father Emperor Keitai, but in any case, the bloodline of Emperor Senka was taken over until now though Ishihime no Miko.
また、安閑・宣化朝は実は父継体天皇死後直ぐに即位した弟の欽明天皇と並立していたとの説もあるが、いずれにせよ、宣化天皇の血統も石姫皇女を通して現在まで受け継がれることとなる。