Etymology and distribution of 乙骨.

Okkotsu 【乙骨】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Shuunan-shi . Originated from Kano of Yamaguchi-ken Shuunan-shi . A place name with a record since the Kamakura period. The place name was also written as "Kano." I tell him that he used "purple cloud" from the Shimonoseki of the mountainous name of the monk, which became an abolished temple in the same place as Shika 's "deer" in 1868. The position of the Akitakain is unknown. Yamaguchi-ken Shuunan-shi Distributed in Shikanaka Nakatsu.

Otsukotsu 【乙骨】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu , Tokushima-ken .

① Topography . From the side of the oak. Hyougo-ken Toyooka-shi Distributed in Sasaki Tado-cho. There are Kashitani, Kashikidani in the lower stake in the same place. Hyougo-ken Amagasaki-shi Amagasaki clan in the Nanjoin and Kitashirouchi houses in the Edo era in the Tokushima Samurai of the Clan Office, Tokushima-ken Tokushima-shi Tokushima cho. Oosaka-fu Minamikawachi-gun Chihayaakasaka-mura It was in the moisture from 1452 to 1455 ( Kutian year). In the same place to tell Mr. Kusunoki's descendant. 楠木 Kusunoki reference.

② Tokushima-ken Mima-shi Originated from Waki - machi flat cap of Kashi Kei-tail. Tell him that he called it in the early Edo period. Tokushima-ken Naka-gun Naka-chou Nobuo Oshio, Tokushima-ken Myouzai-gun Kamiyama-chou Shimoguchi Kashitani, Tokushima-ken Mima-shi Kiyahira Kashihara is a place name unknown in the record era. It is distributed in the same place.