Nevertheless, shortly after six counties in the possession of the Kiyohara clan were divided between Kiyohira and Iehira under the rule of Yoshiie so that each could inherit three counties, Iehira, dissatisfied with this decision, took up arms against Kiyohira.
ところが義家の裁定によって清原氏の所領の6郡が清衡と家衡に3郡ずつ分割継承されることになると、しばらくしてこれを不服とした家衡が清衡との間に戦端をひらいてしまった。