Oyama Tomosato

Japanese: 小山朝郷 - おやま・ともさと

Year of death: Sadawa 2/Shohei 1.4.13 (1346.5.4)
Year of birth: Year of birth unknown. Military commander during the Northern and Southern Court period, Shimotsuke Shugo. Childhood name Tsuneinumaru, commonly known as Koshiro, first named Tomouji. His father Hidetomo was killed in battle at a young age, and he was captured by Kitabatake Akiie's army, which had advanced south in December 1337 (4th year of Kenmu/2nd year of Engen), but was pardoned due to the plea of his relative Yuki Munehiro. He basically acted as a Shugo on the Ashikaga side, but was always ambiguous about his future, and was constantly tempted to join the Southern Court by Kitabatake Chikafusa, and was approached by Konoe Tsunetada with a plan to start an uprising of the Fujiwara clan, a splinter group of the Southern Court. The background to this is thought to have been the unstable situation in the eastern provinces, and the internal conflict with his younger brother Ujiyasu, which could be described as a "war between brothers." <References> "Oyama City History" General History Vol. 1

(Kazuo Matsumoto)

Source: Asahi Japanese Historical Biography: Asahi Shimbun Publications Inc. About Asahi Japanese Historical Biography

Japanese:

没年：貞和2/正平1.4.13(1346.5.4)
生年：生年不詳
南北朝時代の武将,下野守護。幼名常犬丸,通称小四郎,初名朝氏。幼くして父秀朝が戦死し,建武4/延元2(1337)年12月に南下した北畠顕家軍に捕らえられたが,同族結城宗広の嘆願で許された。基本的には足利方の守護として活動したが,去就については曖昧な態度に終始し,北畠親房からしきりに南朝方へ誘引されたり,近衛経忠より南朝の分派行動である藤氏一揆計画を持ちかけられたりしている。このような背景には動向の定まらない東国情勢,弟氏政との「兄弟合戦」とも表現される内部対立があったとみられる。<参考文献>『小山市史』通史編Ⅰ

(松本一夫)

出典　朝日日本歴史人物事典：（株）朝日新聞出版朝日日本歴史人物事典について　情報

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