There are many opinions regarding her family background, such as the opinion that she was the wife of MINAMOTO no Nakamune, the opinion that she was the wife of Nakamune's son, MINAMOTO no Korekiyo, and the opinion that she was a nyobo (a court lady); however, details are unknown.
源仲宗の妻、その子源惟清の妻、宮廷仕えの女房と諸説があるが、氏素性は未詳。