There are doubts regarding the historical validity of his exploits recorded in the Kojiki and the Nihon Shoki as well as genealogical accounts of his connection to the Kesshi-Hachidai (eight undocumented emperors); however, there are still many who consider him to be the king (Yamato Sovereignty) who lived from the third century to the beginning of the fourth century.
記紀に伝えられる事績の史実性、欠史八代に繋がる系譜記事等には疑問もあるが、3世紀から4世紀初めにかけて実在した大王(ヤマト王権)と捉える見方が未だ少なくない。