Kim Jong's younger sister as main contender
If Kim Jong-un is seriously ill, bedridden or dies, his younger sister Kim Yo Jong is being considered a strong potential candidate for his successor. Kim Yo Jong is known as his elder brother's closest aide.
Kim Yo Jong was recently reappointed to the decision-making major body. Kim Yeo is the first member of the ruling family to visit Seoul.

Apart from this, she was also with her brother when Kim Jong met US President Donald Trump and Chinese President Xi Jinping.

Analyst Cheong Chang at the private Sejong Institute in South Korea said that Kim Yo-jong is the most likely to hold power in North Korea. It is believed that Kim Yo Jong may be the next ruler of North Korea. People of North Korea can also support them because they are young.

Kim jong-un's son
Kim Jong-un's son Kim Jong Il's name is also a possible contender for North Korea's new heir. According to the South Korean Intelligence Department, Kim Jong married former singer Ri Sol Joo in 2009. He is believed to have three children.
However, there is a problem with children becoming rulers of North Korea. According to South Korea's Dong-e Ilbo newspaper, Kim Jong has not yet officially made an announcement in the media about his children.It is also said that in 2010 the wife of the dictator gave birth to a son.Former basketball star Dennis Rodman, who visited North Korea, said in 2013 that Kim Jong also has a daughter named Joo Ae.

Kim Jong's half brother's son
His nephew Kim Han Sol is also named as Kim Jong-un's next successor. Kim Han Sol was born in 1995. Han Sol is Kim Jong's half-elder brother and the son of his biggest enemy. Kim Jong's brother used to run casinos and was constantly critical of his rule.

In 2017, Kim Han Sol's father was murdered by two women at the Kuala Lumpur Airport.In addition, Chinese police arrested several North Koreans sent to Beijing on charges of plotting to kill Kim Han Sol. His whereabouts are currently unknown.

Brother of dictator Kim Jong
Kim Jong-un's brother Kim Jong-chol is also in the race for the next dictator of North Korea. Kim Jong Chol is the only brother of Kim Jong who is still alive. Kim Jong Chol is more interested in guitar than politics. He currently has no official position.

Very few people know about Kim Jong Chol, who studied in Switzerland and is a fan of professional basketball in America, like his brother.

Same family rule in North Korea for 70 years
North Korea has been ruled by members of the same family for over 70 years. Kim Jong-un is the third generation ruler of the family ruling North Korea. It is believed that only one member of his family has the right to rule the country.