Ii Naosuke
Ii's decision made him very unpopular with Imperial loyalists, especially with the Mito samurai. Towards the end of 1858 the reformists went to the emperor with the hopes of restraining Ii. In response to the attempt by Tokugawa Nariaki and his supporters to denounce him in the emperor's court Ii had a shogunal decree passed which allowed him to conduct the Ansei Purge. During the rest of 1858 and into 1859 Naosuke purged over 100 officials from the bakufu, the imperial court and the lands of various "daimyōs". Eight of the officials who were purged were executed; the remainder were forced into retirement. During the Ansei purge Ii Naosuke was able to force Hitotsubashi Keiki's supporters to retire and place Hitotsubashi and his family under house arrest. Ii Naosuke was also able to remove officials who had expressed unhappiness with his handling of the Harris treaty and the shogunal succession from public life.