North Korea is ruled by the Kim dynasty, which in North Korea is referred to as the Mount Paektu Bloodline. It is a three-generation lineage descending from the country's first leader, Kim Il-sung, since 1948. Kim developed a cult of personality closely tied to the state philosophy of Juche, which was later passed on to his successors: his son Kim Jong-il and grandson Kim Jong-un. In 2013, this lineage was made explicit when Clause 2 of Article 10 of the new edited Ten Fundamental Principles of the Korean Workers' Party stated that the party and revolution must be carried eternally by the Baekdu bloodline. In order to solidify Mount Paektu Bloodline, Kim Il-sung and Kim Jong-il have recalled all the family genealogy books under the pretext that familyism and regionalism are the hotbeds of the revolution. In 1958, North Korea declared its ideology to be socialism and took away all of people's private property and dismantled family groups that had been living in the center of genealogy and ancestors. They later moved the entire population from the northern 38th parallel. Hence, in North Korea there is no bon-gwan in people's names.