Willem van Erp
| Family | Pedigree | Reports |
| Willem van Erp |
| b. 12 Nov 1865 |
| d. 30 Jun 1948 |
| Willem van Erp |
| b. 2 Mar 1829 |
| d. 27 Mar 1900 |
| Agatha Tjepkema |
| b. |
| d. 8 Apr 1908 |
| Dedericus van Erp |
| b. |
| d. 22 Jan 1875 |
| Maria Johanna Huurmans |
| b. |
| d. 24 Jul 1852 |
| Johannes van Erp |
| b. |
| d. |
| Reinalda Hollander |
| b. 20 Mar 1764 |
| d. |
| Johannes Huurmans |
| b. abt 1758 |
| d. 28 Sep 1804 |
| Johanna Elisabeth Graffek |
| b. abt 1769 |
| d. 12 Feb 1855 |
