was a Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese daimyo of the Edo period

Edo period

The , or , is a division of Japanese history which was ruled by the shoguns of the Tokugawa family, running from 1603 to 1868. The political entity of this period was the Tokugawa shogunate....

. He served in a variety of positions in the Tokugawa shogunate

Tokugawa shogunate

The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...

, including wakadoshiyori

Wakadoshiyori

The ', or "Junior Elders", were high government officials in 17th century Tokugawa Japan. The position was established around 1631, but appointments were irregular until 1662....

, rōjū

Roju

The ', usually translated as Elder, was one of the highest-ranking government posts in Tokugawa Japan. The term refers either to individual Elders, or to the Council as a whole; under the first two shoguns, there were only two Rōjū...

, and Kyoto Shoshidai

Kyoto Shoshidai

The was an important administrative and political office in the early modern government of Japan. However, the significance and effectiveness of the office is credited to the third Tokugawa shogun, Iemitsu, who developed these initial creations as bureaucratic elements in a consistent and...

.

After the 47 Ronin incident, Tadayuki was given custody of nine of the Akō

Ako Domain

The was a domain in feudal Japan. It was located in Harima Province and coincided with the present-day cities of Akō and Aioi and the town of Kamigōri in Hyōgo Prefecture. The domain had its headquarters at Akō Castle....

 men: Hazama Jūjirō, Okada Suke'emon, Yatō Emonshichi, Muramatsu Sandayū, Mase Magokurō, Kayano Wasuke, Yokogawa Sanpei, Muramatsu Jirōzaemon, and Kanzaki Yogorō.
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