"Tokugawa jikki" says that her father was Tarobe Munemasa KITAKOJI, who was Keishi (household superintendent) of Mitsuhira NIJO, chief adviser to the Emperor, but there was a rumor before her birth that her father was in fact of a lower class.
『徳川実紀』に拠れば父は関白・二条光平の家司である北小路太郎兵衛宗正だが、実際の出身はもっと低い身分であるという噂が生前からあった。