Etymology and distribution of 具伊.

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

Ishikawa-ken , Kanagawa-ken , Iwate-ken . Originated in the Hokuriku region (formerly Koshigaya). In the Asuka period there is a place name recorded with the notation "Takashi". "Yue" used.

※ Ishikawa-ken Kanazawa-shi Marunouchi was the notation of "Koshi" in Edo period to the Kaga clan of the clan office. 越場 Koeba reference.