The Crown Prince and Crown Princess of Norway, the Duke of Edinburgh's second cousins and the Queen's first cousin once removed and his wife (also the Queen's second cousin once removed) (representing his father, the King of Norway)
Princess Astrid of Norway, the Duke of Edinburgh's second cousin once removed and the Queen's second cousin
Prince and Princess Axel of Denmark, the Queen's first cousin twice removed and second cousin once removed (also the Duke of Edinburgh's first cousin once removed and second cousin) (representing his first cousin once removed, the King of Denmark)