Etymology and distribution of 徳益.

Tokumasu 【徳益】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Kagawa-ken , Oosaka-fu , Hokkaidou .

① Topography . From the East of the East. Ken-Fukuoka Miyama-Shi near (formerly the temple gate County) alone is Dongwon last name of the child who was two people of Minamoto no Tametomo is a military commander of the Heian period, convey and one person was referred to the Nishihara last name. 源 Minamoto reference. 西原 Nishihara reference. There is a transmission that Nara-ken made pronunciation of Unohara from the urch which means "East".

② Korean type . Summary . Use "East" including Chen. There is a record of naturalization on Toukyou-to Minato-ku on October 16, 1959. The real name is Chen. 陳 Chin reference.

③ Korea type . Originated in Hadong County, Gyeongsangnam-do, Republic of Korea. Use "Higashi" of Haodong. In Oosaka-fu Higashioosaka-shi (formerly Fuse City) there is a record of naturalization on June 23, 1962. Zheng the real name. 鄭 Tei reference.

Tokueki 【徳益】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Aichi-ken Yatomi-shi . 日比野 surname available. 日比野 Hibino reference.