Achternamen
| Achternaam | Aantal |
|---|---|
| Duchateaux | 2 |
| Duchau | 1 |
| Duchêne | 2 |
| Duchesne | 2 |
| Dücker | 1 |
| Duckers | 64 |
| Ducolot | 1 |
| Ducro | 2 |
| Ducroux | 1 |
| Duczmal | 2 |
| Duda | 2 |
| Dudar | 2 |
| Dudink | 6 |
| Dudkowiak | 1 |
| Dudock | 1 |
| Dudzik | 1 |
| Duelen | 1 |
| Duenk | 2 |
| Duerinck | 3 |
| Duerloo | 1 |
| Duerm, van | 1 |
| Duffel, van | 1 |
| Duffhies | 1 |
| Duffhuës | 5 |
| Dufoor | 1 |