Tamekiyo MISAWA, a successor of Tameyuki MISAWA, was subordinate to the Ouchi clan, but, in the Battle of Gassan Todajo Castle, the Misawa and Yoshikawa clans jointly defected to the enemy, the Amago clan, and contributed to the defeat of Ouchi.
跡を継いだ三沢為清は大内氏に従属したが、月山富田城の戦いで吉川氏らと共に尼子氏に寝返り、大内軍敗退の一因を作った。