Dukedom

All Ranks

Dukedom Peerages

Title Letters patent Extinct Merged into crown
of Edinburgh (Dukedom) Philip Mountbatten - Thu 20th Nov 1947 - 8 September 2022
of Fife (Dukedom) Alexander William George Duff - Mon 29th Jul 1889 29 January 1912 -
of Fife (Dukedom) Alexander William George Duff - Mon 16th Oct 1899 - -
of Gloucester (Dukedom) Henry William Frederick Albert - Sat 31st Mar 1928 - -
of Gloucester (Dukedom) Henry - Tue 13th May 1659 - -
of Gloucester and Edinburgh (Dukedom) William Henry - Mon 19th Nov 1764 - -
of Gordon (Dukedom) Charles Henry Gordon-Lennox - Thu 13th Jan 1876 - -
of Grafton (Dukedom) Henry FitzRoy - Wed 11th Sep 1675 - -
of Greenwich (Dukedom) John Campbell - Thu 27th Apr 1719 4 October 1743 -
of Hamilton (Dukedom) James Hamilton - Sun 12th Apr 1643 - -
of Inverness (Dukedom) Cecilia Letitia Underwood - Fri 10th Apr 1840 1 August 1873 -
of Kendal (Dukedom) Ehrengard Melusine von der Schulenburg - Sun 19th Mar 1719 10 May 1743 -
of Kent (Dukedom) Henry Grey - Mon 28th Apr 1710 - -
of Kent (Dukedom) George Edward Alexander Edmund - Fri 12th Oct 1934 - -
of Kent and Strathearn (Dukedom) Edward - Wed 24th Apr 1799 - -
of Kingston upon Hull (Dukedom) Evelyn Pierrepont - Sat 10th Aug 1715 - -
of Lauderdale (Dukedom) John Maitland - Thu 26th May 1672 24 August 1682 -
of Leeds (Dukedom) Thomas Osborne - Tue 4th May 1694 20 March 1964 -
of Leinster (Dukedom) Meinhardt Schomberg - Mon 3rd Mar 1692 5 July 1719 -
of Leinster (Dukedom) James Fitzgerald - Wed 26th Nov 1766 - -