Etymology and distribution of 七原.

Nanahara 【七原】^{レベル4
About 700}  The Japanese surnames etymology dictionary.

Mie-ken , Kagoshima-ken , Oosaka-fu .

① Topography . From wide forest. Mie-ken Kameyama-shi Shiraki-cho is based. Distributed in Hiroshima-ken . Hiroshima-ken Hiroshima-shi Naka-ku Kamamachi was in the Edo period in the Hiroshima samurai of the Clan office.

② Kagoshima-ken Ibusuki-shi Originated from Hirofumi no Omori in Hiroshima. There was a wide forest gate of the gate division system in the Edo period in the same place.

Shichihara 【七原】^{レベル4
About 700}  The Japanese surnames etymology dictionary.

Hokkaidou , Yamagata-ken , Niigata-ken . Distribution including kiyono as well.

① Convention . Abbreviation of Kiyohara (Kiyohara). "Sei" which is the abbreviation for Kiyohara and "Wild" for "Part" of the particle. Yamagata-ken Tsuruoka-shi Baba-cho was in the Edo era in the Shonai Shrine in the Clan office. 清原 Kiyohara reference.

② Nagano-ken Nagano-shi Originated from Miyoshiroki Kino (Kiyono). A place name with a record since the Warring States Period.

③ Kagoshima-ken Minamisatsuma-shi From Kiyono gate in the Katsuida Tsukushi in the Edo period.

④ Korea type . Originated in Cheongju city, North Chungcheong Province, Republic of Korea. Using Cheongju's "Qing". There is a record of naturalization on Toukyou-to Shibuya-ku on October 5, 1956. The real name is Korea. 韓 Kan reference.

※ Aomori-ken Hirosaki-shi Kiyonobukuro is a place name with a record since the Edo period. It is distributed in the same place.

Baekje system ※. In 761 (Tenpyo Treasure 5 years) there is a record of the family name of Seino (Kiyono).