Ikutsuji

Japanese: 息津氏 - おきつうじ

Also written as Okitsu. The Kudo clan of the Southern Fujiwara clan. Originated from Okitsu, Rohara County, Suruga Province (present-day Okitsu Town, Shimizu City, Shizuoka Prefecture). It is said to have begun when Chikazuna, son of Okabe Gonnokami Kiyotsuna, called himself Okitsu Rokuro, but this is not certain. Many members of the Kudo clan made their name as warriors from the end of the Heian period, and the Okitsu clan also has a name in the Hogen Monogatari as a servant of Minamoto no Yoritomo, named Okitsu Shiro. After that, they became vassals of the Kamakura vassals, and during the Jokyu War, Okutsu Saemon-no-jo joined the Kamakura forces and went to Kyoto (Jokyu-ki). From the Muromachi to Sengoku periods, they became vassals of the Imagawa clan, and since Okitsu was a key transportation point, they set up a checkpoint to collect tolls, which became an important economic base.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

興津とも書く。藤原南家工藤氏族。駿河国廬原郡息津(現，静岡県清水市興津町)より起こる。岡部権守清綱の子近綱が息津六郎を称したのに始まるというが定かではない。工藤氏族は平安末期より武士として名をあげた者が少なくないが，息津氏もすでに《保元物語》に源頼朝の従者として息津四郎の名を残している。以後鎌倉御家人に列し承久の乱の際には鎌倉方軍勢に加わって奥津左衛門尉が上洛したという(《承久記》)。室町～戦国期には今川氏の被官となり，興津という地が交通の要衝にあったことから，関所を設けて関銭を徴収，これを重要な経済的基盤のひとつとした。

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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