A special device to indicate the different members of the same family or the collateral branches of the same house.
The Marks of Cadency, (Fr.Brisure sometimes misspelt Brizure), or Differences are as follows:
| 1. | Label * | The eldest son (during the lifetime of his father) |
| 2. | Crescent | The second son |
| 3. | Mullet | The third son |
| 4. | Martlet | The fourth son |
| 5. | Annulet | The fifth son |
| 6. | Fleur-de-lis | The sixth son |
| 7. | Rose | The seventh son |
| 8. | Cross Moline | The eighth son |
| 9. | Octofoil | The ninth son |
*(of 3 points)
The first son of the eldest son may charge his label with a label, and the second with a crescent; the eldest son of the second son may similarly charge his crescent with a label and so on.
Royal cadency is marked exclusively with a label.