Background
Her father was a wealthy South Korean landowner who moved to the North for political reasons, while her mother was an editor of the official North Korean newspaper Rodong Shinmun. Song"s younger sister Song Hye-rim, a popular actress, secretly began an affair with Kim Jong-il against his father Kim Il-sung"s wishes in the late 1960s or early 1970s, which culminated in Hye-rim"s forced divorce from her husband. Hye-rang first learned of the situation on 10 May 1971, when Kim came to her residence in the middle of the night and informed her that he had impregnated her younger sister.
Career
Five years later, Hye-rang would become responsible for raising Kim Jong-nam, the son resulting from that pregnancy. His father was unwilling to let him attend school for fear that the secret of his parentage would be revealed. Their lives were carefully managed by Kim Jong-il to ensure that his father would not find out about his continuing affair.
They spent most of their time at residences in east Pyongyang or Chungsangdong, occasionally travelling overseas to Geneva and Moscow.
Song herself defected in Geneva in February 1996, carrying nothing but her medicines, her diary, and a book of short stories by Anton Chekhov. She now lives in an undisclosed location in Europe.