Tatsuguchi 【龍口】3 The Japanese surnames etymology dictionary.
Gunma-ken . Thing . Gunma-ken Midori-shi Higashi - machi says that when Mr. Nitta's vassal defeated the battle in Higashi - machi Sawano, he reclaimed and said that he was establishing Higashiya Shrine from east of Gunma-ken (formerly Ueno). Estimated in the Northern and Morning era.