It is said that her father Norihiro sent her sister who closely resembled Hiroko to Mitushide in disguise as Hiroko, but Mitsuhide found it out and married to Hiroko.
父・範煕は、煕子と瓜二つの妹を、煕子のふりをさせて光秀のもとにやったが、光秀はそれを見破り、煕子を妻として迎えたという。