Further, as her aunt (younger sister of Koremichi) was a legal wife of Kanpaku Tadamichi, she did judai to Emperor Konoe as an adopted daughter of Tadamichi, and she became a Chugu with FUJIWARA no Masaruko who earlier became an empress as an adopted daughter of the Minister of Left, FUJIWARA no Yorinaga.
また叔母（伊通妹）が関白忠通の正室であったことから、忠通の養女として近衛天皇に入内、先に皇后となっていた左大臣藤原頼長の養女藤原多子と並んで中宮に立后した。