In 709, for the subjection of indigenous inhabitants in eastern Japan, FUJIWARA no Kosemaro was appointed as Mutsu chinto shogun (generalissimo who subdues the barbarians of Mutsu), Iwayu was appointed as generalissimo who subdues the barbarians of Echigo Ez, and KI no Morohito was appointed as vice-shogun respectively to subdue Eso in Mutsu and Echigo.
和銅2年（709年）、蝦夷征討において巨勢麻呂が陸奥鎮東将軍に、石湯が征越後蝦夷将軍に、紀諸人が副将軍に任じられ陸奥、越後の蝦夷討伐を行なった。