 He was chaperoned by an older student, who was thought to be his bodyguard.However, it was later suggested that the student at the Gümligen was not Kim Jong-un, but his elder brother Kim Jong-chul.Later, it was reported that Kim Jong-un attended the Liebefeld Steinhölzli state school in Köniz near Bern under the name "Pak-un" or "Un-pak" from 1998 until 2000 as the son of an employee of the North Korean embassy in Bern.