She started her official career as a high court official serving TAIRA no Shigeko (Tokitada's younger sister and Emperor Goshirakawa's court lady) and was called Minbukyo (Minister of Popular Affairs) (Kenshunmonin Minbukyo no tsubone).
初め平滋子（時忠の妹・後白河天皇女御）の女房となり、民部卿（建春門院民部卿局）と呼ばれた。