:''This is about a member of the Fukōzu-Matsudaira. For others of the same name, see Matsudaira Ietada.'' , also known as Tomomo no Suke was a Japanese

samurai were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century until their abolition in 1876. They were the well-paid retainers of the '' daimyo'' (the great feudal landholders). They h ...

of the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

. Nussbaum, Louis-Frédéric. (2005)
"Matsudaira Ietada"
in ''Japan Encyclopedia'', p. 616. He was the adoptive father of

Matsudaira Tadayoshi was the fourth son of Tokugawa Ieyasu with his concubine Saigo-no-Tsubone. His Childhood name was Fukumatsumaru (福松丸). When his mother died, he and his brother were adopted by Acha no Tsubone (1555-1637). His full brother, Tokugawa Hid ...

, the fourth son of

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 ...

Biography

Ietada was the fourth son of

Matsudaira Koretada The was a Japanese samurai clan that descended from the Minamoto clan. It originated in and took its name from Matsudaira village, in Mikawa Province (modern-day Aichi Prefecture). During the Sengoku period, the chieftain of the main line of t ...

, who was the head of the Fukōzu branch of the Matsudaira clan. Ietada served his brother

from a young age. In 1572, he fought at the

Battle of Mikatagahara The was a battle of the Sengoku period of Japan fought between Takeda Shingen and Tokugawa Ieyasu in Mikatagahara, Tōtōmi Province on 25 January 1573. Shingen attacked Ieyasu at the plain of Mikatagahara north of Hamamatsu during his cam ...

. He fought in many of Ieyasu's campaigns, including against

Takeda Katsuyori was a Japanese ''daimyō'' of the Sengoku period, who was famed as the head of the Takeda clan and the successor to the legendary warlord Takeda Shingen. He was son in law of Hojo Ujiyasu. Early life He was the son of Shingen by the daughter ...

in the

Battle of Nagashino The took place in 1575 near Nagashino Castle on the plain of Shitaragahara in the Mikawa Province of Japan. Takeda Katsuyori attacked the castle when Okudaira Sadamasa rejoined the Tokugawa, and when his original plot with Oga Yashiro for taki ...

1575. and took part in the

Siege of Takatenjin (1581) The second siege of Takatenjin came only six years after Takeda Katsuyori took the fortress. This second siege lasted from 1580 until 22 March 1581, the siege ended within four months and ended with the deaths of 680 of Okabe Motonobu/Naganori ...

against Okabe Motonobu. In 1590, Ietada was granted

Oshi Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Musashi Province (modern-day Saitama Prefecture), Japan. It was centered on Oshi Castle in what is now part of the city of Gyōda, Saitama. History Oshi Castle was ...

(100,000 ''

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 ...

'') 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 ...

. He was transferred to Kashira Domain in 1592 and to

Omigawa Domain was a minor feudal domain under the Tokugawa shogunate of Edo period Japan, located in Shimōsa Province (modern-day Chiba Prefecture), Japan. It was centered on what is now part of the city of Katori. It was ruled for most of its history by the ...

in 1594. In 1599, he was given command of

Fushimi Castle , also known as or Fushimi-Momoyama Castle, is a Japanese castle located in Fushimi Ward, Kyoto. Fushimi Castle was constructed from 1592 to 1594 by Toyotomi Hideyoshi at the end of the Sengoku period as his retirement residence. Fushimi Castle ...

near Kyoto. He was killed fighting against

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 ...

at the

siege of Fushimi The siege of Fushimi was a crucial battle in the series leading up to the decisive Battle of Sekigahara which ended Japan's Sengoku period. Fushimi Castle was defended by a force loyal to Tokugawa Ieyasu's Eastern army, led by Torii Mototada. Kn ...

in 1600.

Legacy

Ietada is known for his journal, , which he kept for the 17 year interval between 1575 and August 1594.Kodansha. (1983). "Matsudaira Ietada" in ''Kodansha Encyclopedia of Japan,'' Vol. 5, p. 131; excerpt, "Ietada's diary, ''Ietada nikki'', is a valuable historical source for the years 1577-94.}

References

Daimyo 16th-century Japanese writers Japanese diarists Fukōzu-Matsudaira clan 1547 births 1600 deaths Japanese warriors killed in battle 16th-century diarists {{Daimyo-stub