Achternamen
| Achternaam | Aantal |
|---|---|
| Willemans | 1 |
| Willemarck | 1 |
| Willemars | 3 |
| Willeme | 4 |
| Willemen | 10 |
| Willemme | 2 |
| Willems | 1066 |
| Willems de Jong | 1 |
| Willems van Dijck | 1 |
| Willems van Dijk | 1 |
| Willemse | 47 |
| Willemsen | 155 |
| Willemsens | 1 |
| Willemstein | 1 |
| Willen | 54 |
| Willenborg | 5 |
| Willenbroeck | 1 |
| Willens | 1 |
| Willers | 9 |
| Williams | 1 |
| Willick, van | 2 |
| Willie | 1 |
| Willige, van | 1 |
| Willigenburg | 1 |
| Willigers | 10 |