Willem IV van Erp
| Family | Pedigree | Reports |
| Willem IV van Erp |
| b. |
| d. |
| Willem III van Erp |
| b. |
| d. 16 Jun 1650 |
| Thierry van Erp |
| b. |
| d. |
| Elisabeth van der Meulen |
| b. |
| d. |
| M-1 van Erp |
| b. |
| d. |
| ? van Meeckeren |
| b. |
| d. |
| Family | Pedigree | Reports |
| Willem IV van Erp |
| b. |
| d. |
| Willem III van Erp |
| b. |
| d. 16 Jun 1650 |
| Thierry van Erp |
| b. |
| d. |
| Elisabeth van der Meulen |
| b. |
| d. |
| M-1 van Erp |
| b. |
| d. |
| ? van Meeckeren |
| b. |
| d. |