Kiyoto 【清戸】3 The Japanese surnames etymology dictionary.
Tochigi-ken , Toukyou-to , Saitama-ken . Distribution including Kibikawa too. Tochigi-ken Tochigi-shi Otsuka-machi (formerly Shinsei) was a place name with a record since the Edo period. Tochigi - ken Tochigi - shi Toga Town Tree tells that it was also described as "Hanagawa river". Flower Ikawa is unknown whether it exists.