Nakamura 【中邑】4 The Japanese surnames etymology dictionary.
① 延原 surname. Okayama-ken Takahashi-shi Naruhara belongs to the Edo era in the Hiroshima Samurai of the Clan Office, Hiroshima-ken Hiroshima-shi Nakahara- machi, a clan sister of the clan government. Shimane-ken Nita-gun Okuizumo-chou Tell him that Mr. Nobuhara from Okayama-ken western (formerly Biz Naka) was living in Komaki period during the Northern and Morning Dynasties.
③ Korea type . Hiroshima-ken There is a record of naturalization on July 3, 1962 at Kure-shi . The real name is Zhao. In the estimate, the couple separately. 趙 reference. Oosaka-fu Oosaka-shi There is a record of naturalization on Tsurumi Ward on May 28, 1980. Zheng the real name. In the estimate, the couple separately. 鄭 reference.