In 898, he left the capital for Bando region with his father Takamochi who was appointed Kazusa no kuni no suke (officer in charge of regional administration in Kazusa) and based on Higashi-ishita at the western foot of Mt. Tsukuba in Hitachi Province.
昌泰元年（898年）に上総国介に任じられた父の高望とともに坂東に下向、常陸国筑波山西麓の東石田を本拠地とした。