was a

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...

in mid-

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, who ruled Yokosuka Domain in

Tōtōmi Province was a province of Japan in the area of Japan that is today western Shizuoka Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Tōtōmi''" in . Tōtōmi bordered on Mikawa, Suruga and Shinano Provinces. Its abbreviated form name was . The or ...

. Nishio Tadayoshi was the fourth son of Makino Sadanaga, daimyō of

Kasama Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Hitachi Province (modern-day Ibaraki Prefecture), Japan. It was centered on Kasama Castle in what is now the city of Kasama, Ibaraki. It was ruled by a number of cl ...

Hitachi Province was an old provinces of Japan, old province of Japan in the area of Ibaraki Prefecture.Louis Frédéric, Nussbaum, Louis-Frédéric. (2005). "''Hitachi fudoki''" in . It was sometimes called . Hitachi Province bordered on Shimōsa Province, S ...

. He became the adopted heir of the fourth daimyō of Yokosuka Domain, Nishio Tadayuki, in 1783 and married Tadayuki's daughter. Tadayoshi became daimyō and head of the

Nishio clan was a Japanese samurai kin group. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2003)"Nishio," ''Nobiliare du Japon'', p. 42 retrieved 2013-5-5. History The clan claims descent from ...

after his adoptive father's death in 1801. Tadayoshi entered the administration of the

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

as a ''

Sōshaban were officials of the Tokugawa shogunate in Edo period Japan. Conventional interpretations have construed this Japanese title as "master of ceremonies" Created in 1632, this '' bakufu'' title identified an official selected from the ranks of the ...

'' (Master of Ceremonies) in 1806. He encouraged learning amongst his retainers, founding the domain school, , in 1811. He invited noted ''

kokugaku ''Kokugaku'' ( ja, 國學, label=Kyūjitai, ja, 国学, label=Shinjitai; literally "national study") was an academic movement, a school of Japanese philology and philosophy originating during the Tokugawa period. Kokugaku scholars worked to refo ...

'' scholar Yagi Tomiho to lecture there. Tadayoshi also revised fishing laws and encouraged sword production for the purpose of stabilizing the domain's finances. Despite these measures, he was confronted with a

peasant revolt This is a chronological list of conflicts in which peasants played a significant role. Background The history of peasant wars spans over two thousand years. A variety of factors fueled the emergence of the peasant revolt phenomenon, including: ...

aiming for lowered taxes, in 1816. In 1829, citing illness, Tadayoshi resigned from his position as daimyō, yielding it to his fourth son, Tadakata. Tadayoshi died at his

Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...

residence in Kobiki-chō on January 30, 1831, at age 63. His grave is located at the Nishio clan temple of Ryumin-ji in modern

Kakegawa, Shizuoka is a city in western Shizuoka Prefecture, Japan. , the city had an estimated population of 117,925 in 45,519 households. The total area of the city is . Geography Kakegawa is in the coastal plains of southwest Shizuoka Prefecture. It is border ...

References

Nishio family genealogy
* Japanese Wiki article on Tadayoshi Nishio clan 1768 births 1831 deaths Fudai daimyo People from Tokyo {{Daimyo-stub