Mononobenotochine's name is recorded as the first omi in "Nihonshoki" (the Chronicles of Japan), however, as it was the time of Emperor Suinin, its existence is suspected.
日本書紀には、最初の大臣として物部十千根の名が見えるが、垂仁天皇朝の時代であり実在性に疑問も持たれている。