He added: "It was also announced at this time that in due course Prince Edward would become Duke of Edinburgh."No specific details as to when this
He added: “It was also announced at this time that in due course Prince Edward would become Duke of Edinburgh.
“No specific details as to when this would happen, after the death of the Duke of Edinburgh, were given.”
“It remains within the pleasure of the Queen to make a fourth creation of the title duke of Edinburgh, however, it has long been mooted that it will not be until the death of the Queen, and the accession of Prince Charles, that Prince Edward will finally be made Duke of Edinburgh.
“Royal titles and peerages are not one and the same thing. By George VI’s Letters Patent creating Philip Mountbatten a duke, earl and baron, so the normal rules of primogeniture apply.”