Achternamen
| Achternaam | Aantal |
|---|---|
| Willemars | 3 |
| Willeme | 4 |
| Willemen | 10 |
| Willemme | 2 |
| Willems | 1130 |
| Willems de Jong | 1 |
| Willems van Dijck | 1 |
| Willems van Dijk | 1 |
| Willemse | 49 |
| Willemsen | 162 |
| Willemsens | 2 |
| Willemstein | 1 |
| Willen | 57 |
| Willenborg | 5 |
| Willenbroeck | 1 |
| Willens | 1 |
| Willers | 10 |
| Williams | 1 |
| Willick, van | 2 |
| Willie | 1 |
| Willige, van | 1 |
| Willigen, van | 1 |
| Willigenburg | 1 |
| Willigers | 10 |
| Willik, van der | 2 |