She was a waka (traditional Japanese poetry) poet whose waka were collected in the chokusen wakashu (anthologies of waka compiled by imperial order) such as "Goshui Wakashu" (Later Collection of Gleanings of Japanese Poetry), "Senzai Wakashu" (Collection of Japanese Poems of a Thousand Years), and "Shin Chokusen Wakashu" (New Imperial Anthology of Japanese Poetry) in the names of 'Daughter of FUJIWARA no Sadayori' and 'Mother of FUJIWARA no Kanehira.'
母（藤原定頼女）は「藤原定頼女」あるいは「藤原兼平母」の名で『後拾遺和歌集』『千載和歌集』・『新勅撰和歌集』に詠歌が収録されている勅撰和歌集歌人。