| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Curvelo | 1 | Cysoing, van | 2 |
| Curwen | 1 | Czaplewaki | 1 |
| Cusance, de | 1 | Czartoryska | 13 |
| Cuseau, de | 2 | Czartoryski | 21 |
| Cutts | 1 | Czech-Erba-Odescalchi | 1 |
| Cuyk-Arnsberg, von | 1 | Czemichev-Besobrasov | 2 |
| Cybo | 1 | Czernahora von Boscowitz und Schwarzenberg, von | 1 |
| Cybo-Malaspina | 19 | Czernin von Chudenitz | 2 |
| Cyfeiliog | 1 | Czuber | 1 |
| Cyprus | 1 | - | - |