Although its main family was abolished and the Ako clan came to be controlled by the Nagai clan, followed by the Mori clan, this clan continued owning its territory within Ako County most of which was occupied by the Ako clan.
しかしながら、本家が改易となって赤穂藩が永井氏、更に森氏の支配となっても、赤穂藩領が大部分を占める赤穂郡の只中に所領を有した。