It is said that Atane-no-mikoto and Sonofuri-no-mikoto were appointed as Yamashiro no Kuni no Miyatsuko during the Emperor Jinmu's era and the Emperor Seimu's era respectively, appointment in the Emperor Jinmu's era is questionable.
神武天皇朝に阿多根命が、成務朝に曾能振命が山代(山背)国造に任じられたとされるが、神武朝の設置は疑わしい。