| Great Families |  |
This register covers some 1,000 families with the rank of Prince or Duke. See BOOKS below |
| Ruling Families |  |
The ten European countries which still have a ruling family |
| Ex-Ruling Families |  |
Some 200 families which used to rule over identifiable states |
| Princes and Dukes |  |
Around 800 families of the rank of Prince or Duke |
| Family Names |  |
The original family names |
| Secondary Titles |  |
Many Princes or Dukes also bear equivalent titles |
| Historical Notes |
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General notes on how titles came about, with the rules of Heraldry |
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The contents of this web-site will be appearing in four volumes. This is probably the last time that such a register will be published |
