However, the clan became a retainer of his uncle Terumasa IKEDA, the lord of the Himeji clan, due to internal problems in inheriting the steward post, and was permitted to use the surname of Ikeda, and then established the Harima-Shingu clan.
しかしながら、執事職相続の際の内紛が原因で舅であった姫路藩主池田輝政の家臣となり、更に池田姓を名乗ることを許され、播磨新宮藩を創設した家である。