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This is an addendum of my previous post on Dukes within the British Monarchy. In this instance the future of Royal Dukedoms.

The current Royal Dukedoms that are extant are:








* The Dukedoms of Cambridge, Cornwall and Rothesay are currently held by HRH the Prince of Wales.

The current Duke of York lacks a make heir so when he passes away the title will revert back to the crown. The most likely scenario is that a future King William V of the United Kingdom will grant the title Duke of York to his second son Prince Louis of Wales.

The Dukedom of Sussex is currently held by Prince Harry. His heir is his son Archie Mountbatten-Windsor. Archie does not use his father’s courtesy title Earl of Dumbarton and whether or not Archie is a Prince with the style HRH is up for debate. If Archie is not an HRH and Prince the Dukedom of Sussex would cease to be a royal one on him succeeding to that title.

The Dukedoms of Gloucester and Kent are held by Prince Richard and Prince Edward respectively.

HRH Prince Richard, Duke of Gloucester, (August 26, 1944) is a member of the British royal family. He is the second son of Prince Henry, Duke of Gloucester and Princess Alice, Duchess of Gloucester, as well as the youngest of the nine grandchildren of King George V and Queen Mary (notice I didn’t call her Queen Consort?).

The Duke is currently 30th in line of succession to the British throne, and the highest person on the list who is not a descendant of George VI, who was his uncle. At the time of his birth, he was 5th in line to the throne, behind his first cousins Princess Elizabeth (later Queen Elizabeth II) and Princess Margaret, his father, and his elder brother Prince William of Gloucester.

Richard ended his architectural career in 1972, after the death of his elder brother Prince William, who crashed his plane in a flying competition. Richard became heir apparent to his father’s dukedom and had to take on additional family obligations and royal duties on behalf of the Queen. He became the second Duke of Gloucester (in the fifth creation of that title) upon the death of his father on June 10, 1974.

The heir to the Dukedom of Gloucester is Alexander Windsor, Earl of Ulster (born October 24, 1974) the only son of Prince Richard, Duke of Gloucester, and Birgitte, Duchess of Gloucester.

Since the Earl of Ulster is a great grandson of the monarch, in this case King George V of the United Kingdom, and therefore under the terms of Letters Patent of 1917 as a male line great-grand son of the sovereign he does not carry a royal title.

Therefore, when he inherits the Dukedom of Gloucester it will cease to be a royal dukedom and instead will be an “ordinary” Dukedom and he will be styled His Grace the Duke of Gloucester as opposed to his Royal Highness.

The Earl of Ulster married Claire Alexandra Booth (born December 29, 1977), a physician, on June 22, 2002 at the Queen’s Chapel, St. James’s Palace.

Lord and Lady Ulster have two children:

Xan Richard Anders Windsor, (born March 12, 2007).
Lady Cosima Windsor (born May 20, 2010)

Xan Windsor, as a future Duke of Gloucester himself, carries the courtesy title of Lord Culloden.


HRH Prince Edward, Duke of Kent, (October 9, 1935) is a member of the British royal family. Queen Elizabeth II and Edward were first cousins through their fathers, King George VI, and Prince George, Duke of Kent.

Edward’s mother Princess Marina of Greece and Denmark was also a first cousin of the Queen’s husband Prince Philip, Duke of Edinburgh, making him both a second cousin and first cousin once removed to King Charles III.

Prince Edward has held the title of Duke of Kent for more than 80 years, since the age of six, after the death of his father in a plane crash in 1942.

At York Minster on June 8, 1961 the Duke of Kent married Katharine Worsley, the only daughter of Sir William Arthington Worsley, 4th Baronet by his wife Joyce Morgan Brunner.

The heir to the Dukedom of Kent is the Duke of Kent’s son George Windsor, Earl of St Andrews (June 26, 1962) He is styled Earl of St Andrews, one of his father’s subsidiary titles, which he uses by courtesy as heir apparent to the Dukedom of Kent.

On January 9, 1988, George Windsor married Sylvana Tomaselli, a Canadian-born academic and a member of the Tomaselli family, at Leith Registrar Office near Edinburgh. The couple have three children:

The eldest son of the Earl of St. Andrews is Edward Edmund Windsor, Lord Downpatrick (December 2, 1988) As second-in-line to the Dukedom of Kent, he uses one of his grandfather’s subsidiary titles, Baron Downpatrick, by courtesy.

Therefore, when he inherits the Dukedom of Kent it will cease to be a royal dukedom and instead it will be an “ordinary” Dukedom and he will be styled His Grace the Duke of Kent as opposed to his Royal Highness.