Kim Jong-il reportedly took a liking to Kim Jong-un, noting that he saw in the youth a temperament similar to himself.
It is also thought that Kim Jong-un may have been educated abroad in Switzerland before attending the Kim Il-sung Military University (named after his grandfather) in the capital of Pyongyang in the mid-2000s.
It is known that he is the third and youngest son of Korean military leader Kim Jong-il (also written Jong Il), who, under the Communist Worker's Party, had ruled North Korea since 1994; and the grandson of Kim Il-sung, his father's predecessor.
In the months since the marriage was uncovered, the country's first lady has frequently appeared in the media—a striking departure from previous protocols.
It has also been speculated that the couple have a child.
It is also believed that members of Jang's family were executed as part of the purge.
In February 2017, Kim's older half-brother Kim Jong-nam died in Malaysia.
Presumably born in North Korea, Kim is the son of Ko Young-hee, an opera singer, and Kim Jong-il, who was the dictatorial leader of the country for over a decade until his death in 2011.
Although Kim Jong-un has implemented some economic and agricultural reforms, human rights violations and brutal suppression of opposition have continued to be reported under his rule.Among those purged was his own uncle, Jang Song-thaek (also known as Chang Sŏng-t'aek), who is believed to have played an important role during Kim Kim Jong-il’s rule and had been considered one of Kim Jong-un’s top advisers.In December 2013, Jang was reportedly arrested and executed for being a traitor and plotting to overthrow the government.The dictator’s armed forces began their gruelling winter training regime in early December – with drills expected to continue until April next year.Much of the early life of Kim Jong-un is unknown to Western media.In February 2017, North Korea launched what its state media described as a medium long-range ballistic missile, with Kim said to be present at the site to supervise. In the summer of 2012, it was revealed that Kim had taken a wife, Ri Sol-ju.