Haruhisa AMAGO controlled the Misawa clan with an attitude which was much tougher than Tsunehisa, by bringing the Yokota manor, the areas where iron sand could be obtained, and tatara iron making sites, under his direct control after marrying off his daughter to Tamekiyo MISAWA with the intention of winning the Misawa clan over to his side.
尼子晴久は自分の娘を為清に嫁がせ、三沢氏の懐柔を図った上で、更には横田荘の三沢氏領地や砂鉄産地・たたら製鉄場を取り上げ直轄化するなど、経久に比べて強硬的な姿勢で三沢氏と統治している。