Mr. Asonuma

Japanese: 阿曾沼氏 - あそぬまうじ

…Even after the establishment of the manor, various difficulties continued to be encountered in the administration of the manor, and in the “Draft of the History of the Official Land Grants” written around the Bun’ei period, it was counted among “places where there were disturbances at the time” and it was written that “there was almost no official business for the official people.” In the early Kamakura period, the land steward was a joint vassal of Aki Province’s Shugo Mune Takachika, but after the Jōkyū War, the Asonuma clan, whose main base was in Shimotsuke Province, took over the position, and later achieved independence as a local lord based on the manor. [Kadosi Hajime]…

From Tono City

… [Tadahira Kawamoto]
[history]
The first time this place name was seen was in 1189 (Bun'ei 5) when Asonuma Hirotsuna of Asonuma-go, Shimotsuke Province, was appointed as land steward of Tono no Yasu by Minamoto no Yoritomo. Since the land stewardship of Tono no Yasu is also mentioned in the deed of succession of Oyama Hidechika, a powerful lord in Shimotsuke Province, in 1350 (Shohei 5/Kan'o 1), it is assumed that there was a dispute over the territory of Tono no Yasu between the Asonuma and Oyama clans at that time, but in reality the Asonuma clan controlled it. In 1600 (Keicho 5), Asonuma Hironaga was driven out of Tono and it came under the control of the Nanbu clan.

*Some of the terminology that refers to the "Asonuma clan" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…立荘後も荘務にはさまざまな困難がつきまとい，文永ごろの〈官中便補地由緒注文案〉では〈当時濫妨あるの所々〉のうちに数えられ，〈官中方々の公用，大略無きが如き者也〉と記されている。地頭は鎌倉初期には安芸国守護宗孝親の兼帯とされていたが，承久の乱後に下野国を本貫地とする阿曾沼氏がその跡を襲い，のち当荘を基盤に国人領主としての自立を遂げた。【角重始】。…

【遠野[市]】より

…【川本忠平】
［歴史］
　1189年(文治5)下野国阿曾沼郷の阿曾沼広綱が源頼朝から遠野保の地頭職に任ぜられた時が，この地名の初見である。1350年(正平5∥観応1)の下野国の豪族小山秀親の譲状にも遠野保の地頭職がみえているので，このころ阿曾沼･小山両氏間で遠野保をめぐる所領争いがあったと推測されるが，現実には阿曾沼氏が支配していた。1600年(慶長5)に阿曾沼広長が遠野を追われ，南部氏の支配下に入った。…

※「阿曾沼氏」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典第２版について | 情報

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