She passed away in the spring of 1049, and the day of her death was the day of Shaka's death; people said `Her soul must rest in peace' ("Goshui wakashu", Later gleanings of Japanese poems).
永承四年春に薨去し、葬送の日はちょうど釈迦入滅の日であったため、「成仏間違いなし」と言われた（『後拾遺和歌集』）。