The North Korean leader’s sister Kim Yo Jong, best known for her insulting tirades against South Korea, has appeared with her children in state media for the first time, a likely effort to show a softer side of the combative royal, according to NK News analysis.

Korean Central Television (KCTV) on Wednesday prominently featured a video clip of Kim leading a young elementary school-aged boy and girl outside May Day Stadium before a New Year’s Eve concert, appearing to suggest they were her own children

It’s possible they are instead Kim Jong Un’s undisclosed children, as she is known