Achternamen
| Achternaam | Aantal |
|---|---|
| Cleven | 53 |
| Clever | 1 |
| Cleverens | 1 |
| Clevers | 19 |
| Clevis | 8 |
| Cleyn | 1 |
| Cleyn, de | 2 |
| Cleynen | 1 |
| Clignet | 6 |
| Clijmans | 2 |
| Clijsters | 24 |
| Clinckaert | 1 |
| Clinet | 1 |
| Clinget | 1 |
| Clippel, de | 1 |
| Clippele, de | 1 |
| Clobus | 1 |
| Clocquet | 5 |
| Cloedt, de | 1 |
| Cloet | 1 |
| Cloet, de | 1 |
| Clohse | 1 |
| Cloïn | 2 |
| Clomp | 3 |
| Clonen | 1 |