Prince Harry and his wife introduced their adorable new arrival, Archie Harrison Mountbatten-Windsor, to the world last week.
But one couple and their children who haven't cooed over the baby yet are "dying to meet him", reports say.
Both Harry's older brother, Prince William, and his wife, Kate Middleton, Duchess Of Cambridge, are both eager to spend time with their new nephew.
The Cambridge kids - Prince George and Princess Charlotte - also can't wait to say hello.The Mirrors reports that William and Kate - and the children, including baby Louis - are travelling to Frogmore Cottage in Windsor today to meet the newest member of the Royal Family.
In fact, the report says, the children have been asking mum and dad when they'll be able to meet their new cousin.
All of the family have been dying to meet little Archie and are really excited to finally congratulate Harry and Meghan in person.
A palace source says: "All of the family have been dying to meet little Archie and are really excited to finally congratulate Harry and Meghan in person.
"Prince George, five, and Princess Charlotte, four, have already been asking their parents when they can meet their new cousin, they are as excited as anybody."
Last week, Harry and Meghan introduced baby Archie to his great-grandparents, the Queen and Prince Philip.
After this much-anticipated visit, Kate is set to travel to Milton Keynes to visit Bletchley Park and view a special D-Day exhibition in the newly restored Teleprinter Building, to mark the 75th anniversary of the D-Day landings.
Prince William, meanwhile, will travel to Oxford and spend the day visiting organisations that support sick children, disabled adults and young people from disadvantaged backgrounds.
Harry's father, Prince Charles - who was in constant contact with his son last week while he was away in Germany on an official visit - is expected to meet his grandson on Thursday.
His wife, Camilla, Duchess Of Cornwall, is also hoping to visit on Thursday despite a prior engagement.
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