Kim Ok is a North Korean, occasionally regarded (unofficially) as "North Korea's first lady", and has served as Kim Jong-il's personal secretary since the 1980s. She is reported to have started living with Kim Jong-il at some point after the death of Kim's third consort Ko Young-hee. Ms Kim was previously a musician and was a piano major at Pyongyang University of Music and Dance. Ms Kim has traveled with Kim Jong-il within North Korea and abroad, such as on Mr. Wikipedia
The definitive Wikipedia entry for Kim Ok. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Kim_Ok