Etymology and distribution of 井之谷.

Inotani 【井之谷】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Fukushima-ken Sukagawa-shi · Chiba-ken . A variant of 岩瀬 . Fukushima-ken Sukagawa-shi Naganuma It was in the Tokyo era as the shrine of the stone back (Iwasa) National Shrine of Toyacho .

※ Emissy system . Fukushima-ken There was a case that Mr. Yoshiya Yoshiya gave a family name of Izase Asami in 769 (3rd year of Jinuki Jingumun) in Iwase-gun. 吉弥侯部 Kimikoube reference.