was a 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...

 in 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...

 during 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....

 (1603–1868). He was the son and heir of Tokugawa Yorinobu

Tokugawa Yorinobu

was a Japanese daimyo of the early Edo period.Born under the name Nagafukumaru, he was the 10th son of Tokugawa Ieyasu, by his concubine Oman-no-kata. On December 8, 1603, Yorinobu received the fief of Mito, then rated at 200,000 koku, as his fief. Mito had formerly belonged to his older brother,...

 and a grandson of 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...

; among his sons was the eighth Tokugawa shogun

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...

 Yoshimune

Tokugawa Yoshimune

was the eighth shogun of the Tokugawa shogunate of Japan, ruling from 1716 until his abdication in 1745. He was the son of Tokugawa Mitsusada, the grandson of Tokugawa Yorinobu, and the great-grandson of Tokugawa Ieyasu.-Lineage:...

. A daughter of his married Ichijō Kaneteru

Ichijo Kaneteru

, son of Norisuke, was a kugyō of the Edo period of Japan. He was also known as . He held regents positions kampaku from 1682 to 1687 and from 1689 to 1690, and sesshō from 1687 to 1689. He married a daughter of Tokugawa Mitsusada, second head of Wakayama Domain, and the couple adopted Kaneka as...

.

One of the gosanke

Gosanke

The , also called simply Gosanke or even Sanke, were three branches of the Tokugawa clan of Japan descended from clan founder Tokugawa Ieyasu's three youngest sons, Yoshinao, Yorinobu and Yorifusa and allowed to provide a shogun in case of need. The three houses were called Owari House of Tokugawa,...

, Mitsusada ruled the Wakayama Domain

Wakayama Domain

The was a han or Japanese feudal domain in Kii Province , with income of 555,000 koku. The domain was also known as or . The heads of the domain were Kishu-Tokugawa clan, one of Gosanke...

 from its castle

Wakayama Castle

' in Wakayama, Wakayama Prefecture, Japan, sits at the mouth of the Kii River. Originally Ōta castle, home of the Saiga Ikki, it was captured by Toyotomi Hideyoshi in 1585, during the Siege of Negoroji; many monks from Negoroji sought refuge in Ōta, which was soon destroyed by flood...

, his birthplace, in Wakayama

Wakayama, Wakayama

is the capital city of Wakayama Prefecture in the Kansai region of Japan.-Background:Wakayama occupies 4% of the land area and has 40% of Wakayama prefecture's population. The city was founded on April 1, 1889....

. He reached the Junior Second court rank while alive, and was awarded the Junior First rank posthumously; he also held the ceremonial post of gon-dainagon

Dainagon

was a counselor of the first rank in the Imperial court of Japan. The role dates from the 7th century.This advisory position remained a part of the Imperial court from the 8th century until the Meiji period in the 19th century....

. His grave is at Chōhō-ji

Chōhō-ji

The is a temple of the Tendai sect in Kainan, Wakayama Prefecture, Japan.It was established by Emperor Ichijō's instruction in 1000.Chōhō-ji's Main Hall, Pagoda and Daimon are National Treasure of Japan.- Building list :...

 in Wakayama.

Source

• 「徳川光貞」 at the Japanese Wikipedia