The royal children are apparently getting along very well.

Us Weekly reports that a source says Prince George and Princess Charlotte, the children of Prince William and Duchess Kate, have been having a great time with their new baby cousin Archie.

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“They dote on him,” the source says. “Charlotte treats Meghan and Harry’s son like a little doll and is always asking after him.”

The source also notes, “Charlotte’s a bit of a tomboy and loves climbing and sports. Although Charlotte’s much bossier than George, she looks up to him. They squabble over small things like toys but the majority of the time they get along.”

According to the source Archie was also at the Trooping the Colour parade last month with his parents.

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“The reason Harry and Meghan didn’t appear on the balcony when the Queen returned back to Buckingham Palace was because she was breast-feeding,” the source claims. “She has spent almost every moment with him and saying goodbye [before the parade] was very difficult. But Meghan truly wanted to be at the celebration for the Queen.”