Etymology and distribution of 四道.

Shidou 【四道】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Kyouto-fu . Terrain . A variant of 曽利 . Kyouto-fu Yosa-gun Yosano-chou Yumiki is based.

Shimichi 【四道】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Chiba-ken , Toukyou-to , Yamanashi-ken .

① Chiba-ken Chousei-gun Chousei-mura Near Honjo (old: Takane) is a place name with a record since the north-south morning era. Chiba-ken Chiba-shi Wakaba-ku Takane-cho, Chiba-ken Funabashi-shi Takane town, Ibaraki-ken Higashiibaraki-gun Shirosato-machi Takane is a place name with a record since the Edo period. Akita-ken Akita-shi Chiaki Park was in the Edo period in the clan san Kubota of the Clan office. Good neighbor . Saitama-ken Chichibu-gun Ogano-machi It is distributed in Shikokino.

※ Near the Ibaraki-ken Koga-shi (old: Takane) is a place name with a record since the Heian period.

② Ainu system . Hokkaidou Otaru-shi (formerly Takashima-gun) sinta was renamed Shinda Takane. Estimated in around 1875.

※ Wei series . There was a case that I gave the surname of Konno Asaka in 826 (3 years old). Location unknown.