Tokugawa Ieyoshi (June 22; 1793-July 27; 1853; r.1837-1853) was the 12th shogun of the Tokugawa shogunate of Japan. He was the second son of the 11th shogun; Tokugawa Ienari; and appointed Mizuno Tadakuni to conduct the Tenpo reform. Shortly after the arrival of U.S. Commodore Matthew Perry; in 1853; whose purpose was to negotiate a treaty allowing American trade with Japan; Tokugawa Ieyoshi died; and was succeeded by his third son Tokugawa Iesada. The following year the Tokugawa shogunate was forced to accept the American demands after signing the Convention of Kanagawa.