According to the "Nihonshoki," she was a younger sister of Emperor Ingyo's empress Oshisaka no onakatsunohime and was called Otohime (youngest princess) and also, she is described as having been a princess in favor with Emperor Ingyo.
『日本書紀』においては、允恭天皇の皇后忍坂大中姫（おしさかのおおなかつのひめ）の妹・弟姫（おとひめ）とされ、允恭天皇に寵愛された妃として描かれる。