Etymology and distribution of 呉堂.

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

Fukushima-ken Kooriyama-shi , Iwate-ken Kunohe-gun Hirono-chou , Tochigi-ken Nasushiobara-shi .

① Niigata-ken Gosen-shi Origin of the tree trunk. A place name with a record since the Edo period.

② Tochigi-ken Nasushiobara-shi Origin of the tree trunk. A place name with a record since the Edo period. There is a tale that Mr. Tonano gave renamed the place name of Konnomiya by giving the last name of Mr. Tomono in the same place. 只野 Tadano reference.

③ Iwate-ken Kunohe-gun Hirono-chou Originated from Ohno's small branch of Sonbon .