Because of a remark made by Emperor Ichijo, it was revealed that the author of "The Tale of Genji" eagerly read Nihongi (Six National Histories) and was called Nihongi no Otsubone (court lady of Nihongi).
一条天皇の源氏の物語の作者は日本紀をよく読んでいるという述懐により日本紀の御局と呼ばれたこと。