Chris O'Neill has proudly shared some sweet tidbits about the two adorable royal children he shares with his wife Princess Madeleine of Sweden. The businessman revealed details about the pair's personalities, from two-year-old daughter Princess Leonore's love of being the boss to one-year-old Prince Nicolas's soft side.

"They are two different individuals," Chris told Swedish publication Expressen. "Nicolas is a soft little guy. Leonore is dominant and a determined little girl."

The proud dad also revealed that Nicolas has just started taking his first steps, while Leonore learnt how to walk at an earlier age.

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Speaking about his and Madeleine's plans to expand their brood, he said: "We want to have more children. One or two."

While the family are now based in London – where Chris' mum Eva also lives – because of Chris' job, they spend a fair amount of time going back to Sweden for family gatherings and official engagements.

Madeleine, Chris and the children are currently enjoying the summer holidays with the rest of the royal family in Sweden, at Solliden Palace. The royals took part in their official summer photocall last week, with the youngest members of the family – babies Prince Oscar and Prince Alexander – stealing the show.

Princess Leonore, meanwhile, gets on especially well with her older cousin Princess Estelle, the four-year-old daughter of Crown Princess Victoria and second-in-line to the throne.

"Victoria and I were talking about it the other day," Madeleine told Aftonbladet. "It is so wonderful to see. They're almost like sisters, though they are cousins."

The girls will have plenty of playmates to choose from when their younger siblings and cousins grow up. Estelle has a baby brother Prince Oscar, who is four months old, while Leonore has her younger brother Prince Nicolas.

Prince Carl Philip and Princess Sofia also welcomed their first child, Prince Alexander, in April.