 All the children of Kim Jong-il are said to have lived in Switzerland, as well as the mother of the two youngest sons, who lived in Geneva for some time.First reports said that Kim Jong-un attended the private International School of Berne in Gümligen in Switzerland under the name "Chol-pak" or "Pak-chol" from 1993 to 1998.He was described as shy, a good student who got along well with his classmates, and was a basketball fan.