Komikai 【込貝】2 The Japanese surnames etymology dictionary.
Aichi-ken Tokoname-shi , Okayama-ken . There is Mr. 更井 surname. Aichi - ken Tahara - shi Muramatsucho Tell her that she was engaged in agriculture since early Edo period in Saigo. Okayama-ken Okayama-shi Kita Ward Marunouchi was in the Edo period in the Clan Okayama of the Clan office. In Nara-ken there is a belief that Shiga-ken came from Okayama-ken to Azuchi-Momoyama period. Okayama-ken Okayama-shi There is distribution in Seto-cho Seto-cho.