The mother of North Korean Supreme Leader Kim Jong-il and the grandmother of Kim Jong-il's son and successor, Kim Jong-un, she is also notable for her Communist activism and for her Service in a volunteer guerrilla army.
She met her husband in the mid 1930s, while assisting the food services unit of his anti-Japanese army.
Her marriage to First Supreme Leader of North Korea Kim Il-sung lasted from 1941 until her death in 1949 and produced sons named Kim Jong-il and Kim Man-il and a daughter named Kim Kyong-hui.
She died at the age of twenty nine; her cause of death has long been under debate. After her passing, her husband, Kim Il-sung, married Kim Song-Ae and fathered an additional three children.