In fact, the Kyogoku clan, related to the Sasaki clan (Rokkaku clan), were appointed successors to the Izumo Shugo, but Tsunehisa AMAGO disobeyed Masatsune KYOGOKU and pursued the lord, and by gaining control of Izumo expanded it into a great country spanning 11 provinces.
そもそも、出雲守護は佐々木氏(六角氏)の傍流　京極氏が補任されていたが、京極政経に背いた尼子経久が主君を追い、出雲国を掌握し11カ国に拡がる大国へと成長していった。