Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Duchy of Parma (1 member)
- Dukedoms in the Peerage of the United Kingdom (1 member)
- Dukedoms of Italy (2 members)
- Dukes (2 members)
- Dukes of Albany (1 member)
- Dukes of Anjou (2 members)
- Dukes of Aosta (1 member)
- Dukes of Apulia (2 members)
- Dukes of Bar (1 member)
- Dukes of Bourbon (1 member)
- Dukes of Braganza (1 member)
- Dukes of Bremen and Verden (1 member)
- Dukes of Burgundy (2 members)
- Dukes of Calabria (3 members)
- Dukes of Carinthia (3 members)
- Dukes of Castro (1 member)
- Dukes of Chartres (1 member)
- Dukes of Châtellerault (1 member)
- Dukes of Edinburgh (2 members)
- Dukes of Guelders (1 member)
- Dukes of Guimarães (1 member)
- Dukes of Hungary (1 member)
- Dukes of Jülich (1 member)
- Dukes of Lancaster (2 members)
- Dukes of Lorraine (1 member)
- Dukes of Luxembourg (2 members)
- Dukes of Marlborough (1 member)
- Dukes of Montblanc (2 members)
- Dukes of Montpensier (1 member)
- Dukes of Narbonne (1 member)
- Dukes of Nemours (1 member)
- Dukes of Noto (2 members)
- Dukes of Orléans (1 member)
- Dukes of Parma (2 members)
- Dukes of Rothesay (2 members)
- Dukes of Savoy (1 member)
- Dukes of Saxe-Coburg and Gotha (1 member)
- Dukes of Schleswig-Holstein-Sonderburg-Glücksburg (1 member)
- Dukes of Sora (1 member)
- Dukes of Spain (1 member)
- Dukes of Styria (3 members)
- Dukes of Swabia (1 member)
- Dukes of Teschen (1 member)
- Dukes of Touraine (1 member)
- Dukes of Urbino (2 members)
- Dukes of Valois (1 member)
- Dukes of Westminster (3 members)
- Dukes of York (1 member)
- Dumas family (1 member)
- Durham University (1 member)