Etymology and distribution of 飯菅.

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

Shizuoka-ken Hamamatsu-shi . 猪熊 surname available. Aichi-ken Toyota-shi Ikuma-cho was a place name with a record since the Edo period. 猪熊 Inokuma reference.

※ Yamanashi-ken Koufu-shi Marunouchi was in the Edo period in the Kofu clan of the Clan office.