Kim Jong-il
Kim Jong-il (officially transcribed Kim Jong Il; ; ; 16 February 1941 – 17 December 2011) was the second Supreme Leader of North Korea. He ruled from the death of his father Kim Il-sung, the first Supreme Leader of North Korea, in 1994 until his own death in 2011. He was an unelected dictator and was often accused of human rights violations.
Kim Jong-chul
Kim Jong-chul (born 25 September 1981), sometimes spelled Kim Jong Chol, is a son of former North Korean Supreme Leader Kim Jong-il. His younger brother is Kim Jong-un, now the leader of North Korea. His older half-brother was Kim Jong-nam, who was assassinated in February 2017.