Who knows? The last I saw of Kahvi was when she was suddenly trapped in the bird-man's wings after her raid on Sorrow's End and the two of them were wrapped together by the fairies. So I haven't seen her ever since. :?
Maybe the girl eventually woke up, married the bird-man, had a beautiful family with him, and lived happily ever after? Or maybe she and her winged boyfriend simply disappeared altogether over the many, many years? Or, maybe she was found by her only daughter? Like I said, who knows?