Iemitsu
Tokugawa Iemitsu (1604–1651) was the third shogun of the Tokugawa shogunate, ruling from 1623 until his death. He was the son of Tokugawa Hidetada and a grandson of Tokugawa Ieyasu, and he succeeded his father to the shogunate. His reign solidified the centralization of power under the bakufu and reinforced the hereditary rule of the Tokugawa clan.
During his tenure, Iemitsu centralized authority, strengthening the bakufu's control over the daimyo, and reinforcing the
Foreign policy under Iemitsu moved toward isolation. In the 1630s he enacted the sakoku policy, limiting travel
His reign also faced internal challenges, notably the Shimabara Rebellion (1637–1638) by mostly Christian peasants in
Tokugawa Iemitsu's policies laid the groundwork for the long period of peace and strict social control that