Etymology and distribution of 縁川.

Herikawa 【縁川】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kumamoto-ken Kumamoto-shi Minami-ku. Kumamoto - ken Kumamoto - shi Distributed in the Minami - ku Todachi. Osaka-fu Eiji (formerly Kawachi-kuni) was a warrant based on the Heian era and was the name of Genji. 源 Minamoto reference.