Kim Bo-hyon
He was the paternal grandfather of the founder of the Democratic People's Republic of Korea , Kim Il-sung , the great-grandfather of Kim Jong-il , and great-great-grandfather of the current leader of North Korea , Kim Jong-un . 
<triplet> Democratic People's Republic of Korea <subj> Kim Jong-un <obj> head of state <triplet> Kim Jong-il <subj> Kim Il-sung <obj> father <triplet> Kim Jong-un <subj> Kim Jong-il <obj> father