The was a
Japanese samurai clan of northern
Honshū
, historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island separa ...
that claimed descent from
Emperor Kanmu
, or Kammu, was the 50th emperor of Japan, Imperial Household Agency (''Kunaichō'') 桓武天皇 (50) retrieved 2013-8-22. according to the traditional order of succession. Kanmu reigned from 781 to 806, and it was during his reign that the sco ...
via Prince
Yoshimine no Yasuo (785-80) and
Kodama Koreyuki (d.1069).
[ Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2003)]
"Niwa," ''Nobiliare du Japon'', p. 43
retrieved 2013-5-5.
History
The Kodama clan was one of several samurai clans originally located 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 ...
. A branch of the clan settled in
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 ...
, of which a branch resided in
Niwa District
is a district located in Aichi Prefecture, Japan.
As of 1 October 2019, the district had an estimated population of 58,304 and a density
Density (volumetric mass density or specific mass) is the substance's mass per unit of volume. The ...
. It is uncertain when they adopted the "Niwa" surname, but during the
Muromachi period
The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by t ...
were in service of the
Shiba clan
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