Kim Ju-ae has been making increasingly prominent appearances in state media over the past three years

The daughter of the North Korean ruler, Kim Jong-un, who is likely being prepared as his successor has accompanied her parents on her first public visit to the Kumsusan mausoleum to pay respects to former leaders, ahead of an event that could see her succession formalised.

Photos from state news agency KCNA showed Kim Jong-un accompanied by his wife, Ri Sol-ju, and senior officials on the visit on 1 January, with Ju-ae between her parents in the main hall of the Kumsusan Palace of the Sun.

The North Korean leader visits Kumsusan to honour his grandfather, state founder Kim Il-sung, and his father, Kim Jong-il, on key dates and anniversaries.

Kim Ju-ae has been making increasingly prominent appearances in state media over the past three years, fuelling speculation by analysts and South Korea’s intelligence agency that she is in line to be the country’s fourth-generation dictator.