Ichinobe no Oshiwa
According to the Nihonshoki, Oshiwa was killed in a hunting accident by Emperor Yūryaku. His sons were adopted as heirs by Emperor Seinei. They are known as Prince Woke (or Kenzō-tennō) and as Prince Oke (or Ninken-tennō).
- Aston, William George. (1998). Nihongi, Vol. 1, pp. 373-377.
- Imperial Household Agency (Kunaichō), 顕宗天皇 (23)
- Kunaichō, 仁賢天皇 (24)
- Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, p. 40.
- Brinkley, Frank. (1915). A History of the Japanese People from the Earliest Times to the End of the Meiji Era, p. 112; Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 27-28; Varley, Paul. (1980). Jinnō Shōtōki, pp. 113-115.