Etymology and distribution of 井ケ瀬.

Igase 【井ケ瀬】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Toukyou-to , Nagano-ken . Summary . It stands for Ishida. Tell Yamanashi-ken that Mr. Ishida left "Stone" from 1596 to 1615 (Keicho-year). Yamanashi-ken Koufu-shi Marunouchi was in the Edo period in the Kofu clan of the Clan office. 石田 Ishida reference.