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

Azuchi–Momoyama period The was the final phase of the in Japanese history from 1568 to 1600. After the outbreak of the Ōnin War in 1467, the power of the Ashikaga Shogunate effectively collapsed, marking the start of the chaotic Sengoku period. In 1568, Oda Nobuna ...

, and one of the '' Go-Bugyō'' 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 A ...

and

Asano Nagamasa was the brother-in-law of Toyotomi Hideyoshi and one of his chief advisors. Asano also fought for Oda Nobunaga and Hideyoshi in a number of campaigns during the Sengoku period of the 16th century of Japan. He was sent to Korea as one of the Thr ...

Service under Hideyoshi

Nagamori was born in Nakashima-no-kori, Mashita-mura,

Owari Province was a province of Japan in the area that today forms the western half of Aichi Prefecture, including the modern city of Nagoya. The province was created in 646. Owari bordered on Mikawa, Mino, and Ise Provinces. Owari and Mino provinces were ...

or Asai-gori, Mashita-go,

Ōmi Province was a province of Japan, which today comprises Shiga Prefecture. It was one of the provinces that made up the Tōsandō circuit. Its nickname is . Under the ''Engishiki'' classification system, Ōmi was ranked as one of the 13 "great countrie ...

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 was a Japanese samurai ''daimyō'' during the Sengoku and Edo periods. He was the adopted son of Uesugi Kenshin and Uesugi Kagetora’s brother in law. Early life and rise Kagekatsu was the son of Nagao Masakage, the head of the Ueda Nagao c ...

, Hideyoshi gave him 200,000

koku The is a Chinese-based Japanese unit of volume. 1 koku is equivalent to 10 or approximately , or about . It converts, in turn, to 100 shō and 1000 gō. One ''gō'' is the volume of the "rice cup", the plastic measuring cup that is supplied ...

at Koriyama Castle,

Yamato Province was a province of Japan, located in Kinai, corresponding to present-day Nara Prefecture in Honshū. Nussbaum, Louis-Frédéric (2005). "Yamato" in . It was also called . Yamato consists of two characters, 大 "great", and 和 " Wa". At first, the ...

and also appointed by Hideyoshi to a Commission of Five ('' Go-Bugyō'') 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 some ...

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 served ...

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

Battle of Keicho A battle is an occurrence of combat in warfare between opposing military units of any number or size. A war usually consists of multiple battles. In general, a battle is a military engagement that is well defined in duration, area, and force ...

(in 1596).

Sekigahara campaign

After Hideyoshi died, in 1600, Nagamori took part in

's force when he put up

Mōri Terumoto Mōri Terumoto (毛利輝元, January 22, 1553 – June 2, 1625) was a Japanese ''daimyō''. The son of Mōri Takamoto, and grandson and successor of the great warlord Mōri Motonari, he fought against Oda Nobunaga but was eventually overco ...

who was a member of the

council of Five Elders The Council of Five Elders (Japanese: :jp:五大老, 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 ''Sesshō and Kampaku, Taikō'') Toyotomi Hideyo ...

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 fellow ...

. However, Nagamori was involved in an intrigue with Ieyasu, he secretly sends Ieyasu news about the meeting of western commander at

Sawayama castle was a castle in the city of Hikone, Shiga Prefecture, Japan. This castle was an important military stronghold of Ōmi Province. The Azai clan held this castle in the Sengoku Period. Niwa Nagahide held it after the ruin of the Azai clan and la ...

. 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 is a Japanese castle in Chūō-ku, Osaka, Japan. The castle is one of Japan's most famous landmarks and it played a major role in the unification of Japan during the sixteenth century of the Azuchi-Momoyama period. Layout The main tower ...

. After the battle, Ieyasu seized Nagamori's domain, but spared his life and left him to

Kōriki Kiyonaga was a Japanese ''daimyō'' during the Azuchi–Momoyama and Edo periods. A native of Mikawa Province, Kiyonaga served the Tokugawa clan during its battles, until 1600. he was one of Ieyasu's "three magistrates" (san-bugyō). Biography Born i ...

, a retainer of Ieyasu's and lord of Iwatsuki Castle, in

Musashi Province was a province of Japan, which today comprises Tokyo Metropolis, most of Saitama Prefecture and part of Kanagawa Prefecture. It was sometimes called . The province encompassed Kawasaki and Yokohama. Musashi bordered on Kai, Kōzuke, Sagami, S ...

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 siege ...

, Nagamori's son Mashita Moritsugu, who had served

Tokugawa Yoshinao was a Japanese ''daimyō'' of the early Edo period. Biography Born the ninth son of Tokugawa Ieyasu with his concubine, Okame no Kata. His childhood name was Gorōtamaru (五郎太丸). While still a young child, he was appointed leader of ...

, 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 un ...

'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 is a city in Saitama Prefecture, Japan. , the city had an estimated population of 166,208 in 76,639 households and a population density of 7300 persons per km2. The total area of the city is . Geography Niiza is located at the southernmost tip o ...

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