 Jang is believed to have been executed by firing squad.Yonhap has stated that, according to multiple unnamed sources, Kim Jong-un has also put to death members of Jang's family, to completely destroy all traces of Jang's existence through "extensive executions" of his family, including the children and grandchildren of all close relatives.Those reportedly killed in Kim's purge include Jang's sister Jang Kye-sun, her husband and ambassador to Cuba, Jon Yong-jin, and Jang's nephew and ambassador to Malaysia, Jang Yong-chol.