김일성종합대학
In late 2014, she reportedly married Choe Song, the second son of government official Choe Ryong-hae. Choe Song is thought to be a fellow alumnus of Kim Il-sung University and either an official at Room 39 of the Workers' Party of Korea (WPK) or working at a military unit responsible for guarding the country's leader. Kim Yo-jong reportedly gave birth to a child in May 2015. During the 2018 Winter Olympics, Kim was reported to have disclosed being pregnant.