Etymology and distribution of 忍峽.

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

Ibaraki-ken , Toukyou-to , Tochigi-ken . Ibaraki-ken Jousou-shi It was in the Warring States Period as the vassal of Mr. Toyoda who was the castle owner of Toyoda Castle of Toyota. Ibaraki-ken Sakuragawa-shi It was in the Edo period in mainland. Tochigi-ken Kawachi-gun Kaminokawa-machi It was in the Edo era in Upper Mikawa. Tell him that Okayama-ken is out there. Hiroshima-ken Fukuyama-shi Marunouchi was in the Edo period in the Bingo Fukuyama Samurai of the Clan Office.