According to "Hitachinokuni Fudoki," Hinarasunomikoto, the ancestor of Niiharino kuninomiyatsuko, reached this land in his eastern military expedition during the reign of Emperor Sujin.
『常陸国風土記』によると、崇神天皇朝に新治国造の祖である毘奈良珠命が東征でこの地に至ったという。