Iehira was of course discontent about the decision, and in 1086, attacked the residence of Kiyohira and killed his wife, children and all family members.
当然、家衡は裁定に不満を持ち、応徳3年（1086年）に清衡の屋敷を襲撃し、妻子眷属を皆殺しにする。