In 367, when a rebellion of Ezo arose, KAMITSUKENO no Tamichi was dispatched to suppress it, but was killed in action at the floodgate at Ishi, (which is a legend).
仁徳天皇55年蝦夷の反乱、上毛野田道が派遣されるが伊峙水門で敗死（伝説）。