was a Japanese daimyo

Daimyo

is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 of the Azuchi-Momoyama period

Azuchi-Momoyama period

The came at the end of the Warring States Period in Japan, when the political unification that preceded the establishment of the Tokugawa shogunate took place. It spans the years from approximately 1573 to 1603, during which time Oda Nobunaga and his successor, Toyotomi Hideyoshi, imposed order...

, who served Toyotomi Hideyoshi

Toyotomi Hideyoshi

was a daimyo warrior, general and politician of the Sengoku period. He unified the political factions of Japan. He succeeded his former liege lord, Oda Nobunaga, and brought an end to the Sengoku period. The period of his rule is often called the Momoyama period, named after Hideyoshi's castle...

. He was also known as and , and held the title of . His father, , was a retainer of Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

. Naonori was killed in action when Akechi Mitsuhide

Akechi Mitsuhide

, nicknamed Jūbei or called from his clan name and title, was a samurai who lived during the Sengoku period of Feudal Japan.Mitsuhide was a general under daimyo Oda Nobunaga, although he became infamous for his betrayal in 1582, which led to Nobunaga's death at Honno-ji...

 attacked and killed Nobunaga at Honnō-ji

Honno-ji

is a temple of the Nichiren branch of Buddhism located in Kyoto, Japan. Its honzon is mandara-honzon from Nam Myoho Renge Kyo.-History:...

. (Incident at Honnōji

Incident at Honnoji

The ' refers to the forced suicide on June 21, 1582 of Japanese daimyo Oda Nobunaga at the hands of his samurai general Akechi Mitsuhide. This occurred in Honnō-ji, a temple in Kyoto, ending Nobunaga's quest to consolidate centralized power in Japan under his authority.-Context:Oda Nobunaga was at...

)

Naoyasu then served Toyotomi Hideyoshi. He took part in capturing Iwatsuki Castle and Oshi Castle at Musashi Province

Musashi Province

was a province of Japan, which today comprises Tokyo Prefecture, most of Saitama Prefecture and part of Kanagawa Prefecture. It was sometimes called . The province encompassed Kawasaki and Yokohama...

 in the siege of Odawara

Siege of Odawara (1590)

The third ' occurred in 1590, and was the primary action in Toyotomi Hideyoshi's campaign to eliminate the Hōjō clan as a threat to his power. The months leading up to it saw hasty but major improvements in the defense of the castle, as Hideyoshi's intentions became clear...

, and was given 20,000 koku

Koku

The is a Japanese unit of volume, equal to ten cubic shaku. In this definition, 3.5937 koku equal one cubic metre, i.e. 1 koku is approximately 278.3 litres. The koku was originally defined as a quantity of rice, historically defined as enough rice to feed one person for one year...

. After that, based in Imajo, Echizen Province

Echizen Province

was an old province of Japan, which is today the northern part of Fukui Prefecture. It was sometimes called , with Etchū and Echigo Provinces.Echizen is famous for washi . A text dated AD 774 mentions the washi made in this area. Echizen-produced Washi is still the most commonly sold traditional...

, he supported Kobayakawa Hideaki

Kobayakawa Hideaki

Kobayakawa Hideaki was fifth son of Kinoshita Iesada and the nephew of Toyotomi Hideyoshi.He was adopted by Hideyoshi and called himself Hashiba Hidetoshi and Shusen . He was then again adopted by Kobayakawa Takakage and renamed himself Hideaki...

 and Horio Yoshiharu

Horio Yoshiharu

Horio Yoshiharu was a daimyo in Azuchi-Momoyama period and Edo period.He was appointed to one of three chu-rō by Toyotomi Hideyoshi and the first leader of the Matsue clan.He was also known as Horio Mosuke ....

.

In 1600 at the Battle of Sekigahara

Battle of Sekigahara

The , popularly known as the , was a decisive battle on October 21, 1600 which cleared the path to the Shogunate for Tokugawa Ieyasu...

, he was under Ōtani Yoshitsugu

Otani Yoshitsugu

was a Japanese samurai of the Sengoku period though Azuchi-Momoyama Period. He was also known by his court title, . He was born in 1559 to a father who was said to be a retainer of either Ōtomo Sōrin or of Rokkaku Yoshikata. He become one of Toyotomi Hideyoshi's followers...

, who led part of Ishida Mitsunari

Ishida Mitsunari

Ishida Mitsunari was a samurai who led the Western army in the Battle of Sekigahara following the Azuchi-Momoyama period of the 17th century. Also known by his court title, Jibunoshō...

's force. However, taking advantage of Kobayakawa Hideaki's betrayal, he switched sides with Wakisaka Yasuharu

Wakisaka Yasuharu

' , sometimes referred to as Wakizaka Yasuharu, was a daimyo of Awaji Island who fought under a number of warlords over the course of Japan's Sengoku period....

, Kutsuki Mototsuna

Kutsuki Mototsuna

was a samurai commander in Azuchi-Momoyama period and Edo period.His father was Kutsuki Harutsuna . The Kutsuki were a powerful clan at Kutsuki-tani , Takasima-gori, Ōmi Province....

 and Ogawa Suketada

Ogawa Suketada

Ogawa Suketada was a daimyo in feudal Japan during the Azuchi-Momoyama and Edo periods.Initially Suketada served Akechi Mitsuhide and then Shibata Katsutoyo. After Katsutoyo died, Suketada served Toyotomi Hideyoshi. He was given 70,000 koku at Imabari, Iyo Province and became a daimyo...

. Together, they defeated Yoshitsugu's force.

After the battle, Tokugawa Ieyasu

Tokugawa Ieyasu

 was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...

 didn't give Naoyasu credit and seized his domain. Because of that, Naoyasu became a retainer of Maeda Toshinaga

Maeda Toshinaga

' was a Japanese daimyo who was the second head of the Kaga Domain. He was the eldest son of Maeda Toshiie and married one of Oda Nobunaga's daughters, Ei-hime....

, and was given a stipend of 7,000 koku.

In 1606, looking over flooded Daimon River, in Etchu Province

Etchu Province

was an old province in central Honshū, on the Sea of Japan side. It was sometimes called , with Echizen and Echigo Provinces. It bordered Echigo, Shinano, Hida, Kaga, and Noto provinces...

, he fell off a horse and died by drowning.

Naoyasu was survived by his son, . Takaharu changed his family name to , and became a retainer of the Maeda family of Kaga

Kaga Domain

The was a powerful feudal domain in Kaga, Noto and Etchū Provinces of Japan during the Edo period. The domain was founded by Maeda Toshiie and headed by the Maeda clan. Its income rating, over 1,000,000 koku, was the highest in the nation after the Tokugawa shogunate itself...

. The family remained retainers of the Maeda until the Meiji Restoration

Meiji Restoration

The , also known as the Meiji Ishin, Revolution, Reform or Renewal, was a chain of events that restored imperial rule to Japan in 1868...

.