Tradition has it that her mother was 'Higaki no Ona,' whose poem was in "Gosenwakashu (Later Collection of Japanese Poetry)," but this is utter nonsense.
母を『後撰和歌集』に見える「檜垣嫗（ひがきのおうな）」とする古伝があるが、荒唐無稽の説に過ぎない。