Kuga 【久峩】3 The Japanese surnames etymology dictionary.
Wakayama-ken Tanabe-shi . Wakayama-ken Nishimuro-gun Susami-chou Originated from Koii (Koi) in Shosurin's underwear. Tradition at Wakayama-ken . In estimation from tradition Meiji new family name . There are also stories that Wakayama-ken opened the lecture for the first time by people with the same faith.