Who married Ko Yong-hui?

Ko Yong-hui (Korean: 고용희; Korean pronunciation: [ko̞.jo̞ŋ.βwi]; 26 June 1952 – 13 August 2004), also spelled Ko Young-hee, was the mistress of North Korean supreme leader Kim Jong Il and the mother of his successor, Kim Jong Un. Within North Korea, she is only referred to by titles, such as "The Respected Mother who is the Most Faithful and Loyal 'Subject' to the Dear Leader Comrade Supreme Commander", "The Mother of Pyongyang", and "The Mother of Great Songun Korea".