Pierre van Berkel
| Family | Pedigree | Reports |
| Pierre van Berkel |
| b. |
| d. |
| Jean van Berkel |
| b. |
| d. |
| Marguerite van Erp |
| b. |
| d. |
| Luc van Erp |
| b. |
| d. |
| V-12 Onbekend |
| b. |
| d. |
| Losse Tak Y-25 |
| b. |
| d. |
| Oorsprong Onbekend |
| b. |
| d. |
| Family | Pedigree | Reports |
| Pierre van Berkel |
| b. |
| d. |
| Jean van Berkel |
| b. |
| d. |
| Marguerite van Erp |
| b. |
| d. |
| Luc van Erp |
| b. |
| d. |
| V-12 Onbekend |
| b. |
| d. |
| Losse Tak Y-25 |
| b. |
| d. |
| Oorsprong Onbekend |
| b. |
| d. |