Beppu 【別府】5 The Japanese surnames etymology dictionary.
Oosaka-fu . Creation . From the favorable "An", "Ming". Oosaka-fu Senboku-gun Tadaoka-chou Meiji New surname by monk of Eikufutsa in Jodo Shin Buddhism in Chungdoka-nan . In the same temple, Imai Kanpei, a warrior of the Heian era, injured himself in the vicinity of Shiga-ken Ootsu-shi Awazu-machi (formerly Awazuhara) and then the child's Imai Kanji was renamed to Answi's surname in the Hokuriku district and resides Tell them. 今井 reference.