Piet van Erp
| Family | Pedigree | Reports |
| Piet van Erp |
| b. 18 Feb 1933 |
| d. 23 Jul 1998 |
| Hendrik van Erp |
| b. 5 Oct 1904 |
| d. |
| Josepha Schuman |
| b. 1 Jun 1910 |
| d. 6 Feb 1970 |
| Hendrikus van Erp |
| b. 18 Apr 1876 |
| d. 9 Jan 1943 |
| Clasina Maria van Heeswijk |
| b. 11 Sep 1876 |
| d. 20 Dec 1928 |
| 3 takken X-14 |
| b. |
| d. |