Etymology and distribution of 東渕.

Toubuchi 【東渕】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Gunma-ken , Niigata-ken , Saitama-ken .

① Convention . Synthesis of source and Sawaura. In Gunma-ken Tone-gun Minakami-machi Gunma-ken Kitagunma-gun Yoshioka-machi In Uenoda In the Northern and Morning era Mr. Nitta is a descendant of Genji, so use "source" which the source contains "Mother" Tell him that it was combined with "Sawa" of a certain Sawaura. 源 Minamoto reference. 沢浦 Sawaura reference. Niigata-ken Minamiuonuma-shi tells Tokamachi, Nagano-ken Oomachi-shi he said he was engaged in agriculture. Estimated in the Edo period.

② Kagoshima-ken Soo-gun Oosaki-chou was in the Sengoku period during the shrine. Miyazaki - ken Miyakonojou - shi In Tarorobotacho say that he also called Sakai surname in descendants of Mr. Fujiwara who came from Kagoshima - ken . Fujiwara has "Hara". 藤原 Fujiwara reference. 酒井 Sakai reference.

③ Kagoshima-ken Kimotsuki-gun Kinkou-chou Origin of Tashiro Kawahara Haragawa. In Edo era there was Arizawa Gate of the gate division system in the same place.

Higashibuchi 【東渕】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Aichi-ken , Toyama-ken Toyama-shi · Miyazaki-ken . Toyama-ken Toyama-shi Forest, Miyazaki-ken Kitamorokata-gun Mimata-chou Distributed in Kabayama.