Jang Song-thaek was a North Korean politician. He was married to Kim Kyong-hui, the only daughter of North Korean premier Kim Il Sung and his first wife Kim Jong-suk, and only sister of North Korean general secretary Kim Jong Il. He was therefore the uncle (by marriage) of the current leader of North Korea, Kim Jong Un. The extent of Jang Song-thaek's power and position has not been confirmed in ... show more