One theory states that the Tomotsuna family who were under Yoritomo's direct supervision did not take action immediately on the decision by the Imperial Court, and in fact did not go to the place of banishment in accordance with Yoritomo's intentions.
一説に、頼朝直属の朝綱一族は朝廷の裁定に対し即行動はせず、頼朝の意向に従い実際には配流地には赴かなかったとも云われる。