was a ''

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

'' in Azuchi–Momoyama period, and one of the ''

Go-Bugyō The or Five Commissioners, was an administrative organ of feudal Japan which later evolved into the ''Go-Tairō'' (Council of Five Elders). It was established by Toyotomi Hideyoshi when he became '' kampaku'' (Imperial regent) in 1585. Duty The C ...

'' appointed by

Toyotomi Hideyoshi , otherwise known as and , was a Japanese samurai and ''daimyō'' (feudal lord) of the late Sengoku period regarded as the second "Great Unifier" of Japan.Richard Holmes, The World Atlas of Warfare: Military Innovations that Changed the Cour ...

. Also called Niemon (仁右衛門) or by his court title, Uemon-no-jō (右衛門尉). He was sent to Korea as one of the Three Bureaucrats with

Ishida Mitsunari Ishida Mitsunari (, 1559 – November 6, 1600) was a Japanese samurai and military commander of the late Sengoku period of Japan. He is probably best remembered as the commander of the Western army in the Battle of Sekigahara following the ...

and Asano Nagamasa.

Service under Hideyoshi

Nagamori was born in Nakashima-no-kori, Mashita-mura, Owari Province or Asai-gori, Mashita-go, Ōmi Province and served Hashiba Hideyoshi (

) when he had been a retainer of

Oda Nobunaga was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan. Nobunaga was head of the very powerful Oda clan, and launched a war against other ''daimyō'' to unify ...

. Since he shined with domestic affairs such as Cadastral Surveys by Hideyoshi and diplomatic negotiations with Uesugi Kagekatsu, Hideyoshi gave him 200,000 koku at Koriyama Castle, Yamato Province and also appointed by Hideyoshi to a Commission of Five (''

'') along with

Maeda Gen'i was a Buddhist priest from Mt. Hiei, retainer of Oda Nobunaga and later one of Toyotomi Hideyoshi's ''Go-Bugyō'', along with Ishida Mitsunari, Asano Nagamasa, Mashita Nagamori and Natsuka Masaie. He entered the service of Oda Nobunaga som ...

, Asano Nagamasa and

Natsuka Masaie was a daimyō in the Azuchi-Momoyama period. He was served Niwa Nagahide and later Hideyoshi. He was one of the ''Go-Bugyō'', or ''five commissioners'', appointed by Toyotomi Hideyoshi. Biography He was born in Owari Province. Masaie serv ...

. Nagamori took part in the Battle of Bunroku (in 1592) and the Battle of Keicho (in 1596).

Sekigahara campaign

After Hideyoshi died, in 1600, Nagamori took part in

's force when he put up Mōri Terumoto who was a member of the

council of Five Elders The Council of Five Elders (Japanese: 五大老, ''Go-Tairō'') was a group of five powerful feudal lords (Japanese: 大名, '' Daimyō'') formed in 1598 by the Regent (Japanese: 太閤 '' Taikō'') Toyotomi Hideyoshi, shortly before his death th ...

and raised their army to

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fello ...

. However, Nagamori was involved in an intrigue with Ieyasu, he secretly sends Ieyasu news about the meeting of western commander at Sawayama castle. He did not take part in the

Battle of Sekigahara The Battle of Sekigahara (Shinjitai: ; Kyūjitai: , Hepburn romanization: ''Sekigahara no Tatakai'') was a decisive battle on October 21, 1600 ( Keichō 5, 15th day of the 9th month) in what is now Gifu prefecture, Japan, at the end of ...

on October 21, but rather held a fort at Osaka Castle. After the battle, Ieyasu seized Nagamori's domain, but spared his life and left him to Kōriki Kiyonaga, a retainer of Ieyasu's and lord of Iwatsuki Castle, in Musashi Province.

Death

In 1615 at the

Siege of Osaka The was a series of battles undertaken by the Japanese Tokugawa shogunate against the Toyotomi clan, and ending in that clan's destruction. Divided into two stages (winter campaign and summer campaign), and lasting from 1614 to 1615, the sie ...

, Nagamori's son Mashita Moritsugu, who had served Tokugawa Yoshinao, escaped and joined the

Toyotomi Clan The was a Japanese clan that ruled over the Japanese before the Edo period. Unity and conflict The most influential figure within the Toyotomi was Toyotomi Hideyoshi, one of the three "unifiers of Japan". Oda Nobunaga was another primary ...

's force. As a result, Nagamori was commanded to commit suicide.''Nihonshi yōgoshū B'' (Tokyo: Yamakawa shuppansha, 2000), p. 126. He died at 71. His grave is at Anraku-ji, Niiza, Saitama,

Saitama Prefecture is a landlocked prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (1 January 2020) and has a geographic area of 3,797 km2 (1,466 sq mi). Saitama Prefecture borders Tochigi Prefecture ...

References

1545 births 1615 deaths Daimyo Toyotomi retainers {{daimyo-stub