Kim Jong-chul
Kim Jong-chul, sometimes spelled Kim Jong Chol, is a son of former North Korean Supreme Leader Kim Jong Il. His younger brother is current Supreme Leader Kim Jong Un. His older half-brother Kim Jong-nam was assassinated in February 2017. Wikipedia
Born: 1981 (age 42 years), Pyongyang, North Korea
Siblings: Kim Jong-nam, Kim Jong Un, Kim Yo Jong, and more
Education: Kim Il Sung University (2007) and International School of Berne
Aunts: Kim Kyong-hui, Kim Kyong-Jin, Ko Young-sook, and more
Cousins: Jang Kum-song, Kim Eun-song, and Kim In-kang
Grandparents: Kim Il-sung, Kim Jong Suk, and Ko Gyon-tek
Great-grandparents: Kim Hyong-jik, Kang Pan-sok, and Kim Jung-san