In 1093, TAIRA no Morotae and his son TAIRA no Morosue attacked the house of the governor of Dewa Province MINAMOTO no Saneakira but, in 1094, the following year, were put down by retainers of the governor of Mutsu Province MINAMOTO no Yoshitsuna.
なお、寛治7年（1093年）、平師妙・平師季親子が出羽国司源信明の館を攻め、翌嘉保元年（1094年）、陸奥国守源義綱の郎党により鎮圧された。