She was the first daughter of
Emperor Shirakawa and
Fujiwara no Kenshi (1057–1084), and the sister of
Emperor Horikawa. She served as the
Saiō of her father Emperor Shirakawa in 1078–1086. In 1087, her father abdicated in favor of her brother Emperor Horikawa. In 1091, she was appointed Honorary Empress to her twelve-year-old brother the Emperor. It was rare for a sister to be appointed Empress of her own brother, but she was actually his nurse and adoptive mother, their mother having been dead since he was five. She retired as her brother's empress in 1093. ==Notes==