When Shoshi later became nyoin (the position given to a close female relative of the Emperor, a woman of comparable standing, or a person in that position), she used Jotomonin for her name as a nyoin, after Jotomondai, which was another name for the residence.
なお後に彰子が女院となる際、別名の上東門第にちなんで院号を上東門院とした。