(NEWSER) – Following the execution of Kim Jong Un's uncle, Jang Song Thaek, reports claimed that hundreds of Jang's relatives had been arrested. Now, a source tells South Korea's Yonhap News Agency, "all relatives of Jang have been put to death, including even children." Among them are Jang's siblings and his brothers' children and grandchildren, insiders say. Also executed: Jang's sister's husband, who was ambassador to Cuba, and Jang's nephew, the ambassador to Malaysia. "The executions of Jang's relatives mean that no traces of him should be left," a Yonhap source says.