Koyachi 【小谷内】4 The Japanese surnames etymology dictionary.
① things . Add "Well" to heaviness which is the surname of Amagi archipelago of Kagoshima-ken . Kagoshima-ken Ooshima-gun Uken-son There is a tradition in the department . Estimated at the time of returning to Japan in 1953.
③ Hiroshima-ken Onomichi-shi The island Shigaiichi is a place name with a record since the Kamakura period. Hiroshima-ken Fukuyama-shi Marunouchi was in the Edo period in the Bingo Fukuyama Samurai of the Clan Office.