後鳥羽天皇
Dōgo Island was used as a place of exile from the Nara period, but is well known as the place of exile for ex-Emperor Go-Toba, who died on Nakanoshima in 1239, and for Emperor Go-Daigo, who was exiled to Nishinoshima from 1331-1333 The island became tenryo territory directly under the control of the Tokugawa shogunate in the Edo period.