Her mother was Princess Shoshi, a daughter of Emperor Daigo's son, Imperial Prince Ariakira (some say that she was a daughter of Emperor Yozei's son, Imperial Prince Motohira).
母は有明親王（醍醐天皇皇子）の娘昭子女王（元平親王（陽成天皇皇子）の娘との説もあり）。