Ichinobe-no Oshiwa

was the eldest son of Japanese Emperor Richū;Aston, William George. (1998). Nihongi, Vol. 1, pp. 373-377. and he was the father of sons who would become known as Emperor KenzōImperial Household Agency (Kunaichō),  顕宗天皇 (23) and Emperor Ninken.Kunaichō,  仁賢天皇 (24)

No firm dates can be assigned to the lives or reigns of this period, but the reign of Emperor Ankō is considered to have lasted from 456 to 479;Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, p. 40. and Oshiwa died during Ankō's reign.

 Traditional history 
According to the Nihonshoki, Oshiwa was killed in a hunting accident by Emperor Yūryaku.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.  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).

 References 

Category:5th-century births
Category:470s deaths
Category:Japanese imperial family
Category:Accidental deaths