Her name appeared in "Sonpi Bunmyaku" (Bloodlines of Noble and Base), however, she does not appear in reliable historical materials such as "Mido Kanpakuki" (diary of FUJIWARA no Michinaga).
『尊卑分脈』にその名が見られるが、『御堂関白記』などの信頼性の高い史料には登場しない。