South Korean government sources told the media that Hyon and Kim Jong-un had been romantically involved in the early 2000s after he returned to North Korea from his studies at a public school in Switzerland.
Sumber dari pemerintah Korea Selatan menyatakan kepada media bahwa Hyon dan Kim Jong-un pernah berhubungan secara romantis di awal tahun 2000an, ketika Kim Jong-un kembali dari sekolahnya di Swiss.