The Duke and Duchess are pictured in The Green Drawing Room with (left-to-right):

Back row: Master Jasper Dyer, Her Royal Highness The Duchess of Cornwall, His Royal Highness The Prince of Wales, Ms. Doria Ragland, His Royal Highness The Duke of Cambridge

Middle row: Master Brian Mulroney, His Royal Highness The Duke of Edinburgh, Her Majesty The Queen, Her Royal Highness The Duchess of Cambridge, Her Royal Highness Princess Charlotte, His Royal Highness Prince George, Miss Rylan Litt, Master John Mulroney

Front row: Miss Ivy Mulroney, Miss Florence van Cutsem, Miss Zalie Warren, Miss Remi Litt