Jacoba van Harskamp
| Family | Pedigree | Reports |
| Jacoba van Harskamp |
| b. 3 Sep 1825 |
| d. 4 Feb 1896 |
| Aalt van Harskamp |
| b. |
| d. 14 May 1849 |
| Maria van Diečen |
| b. |
| d. 7 Sep 1861 |
| Jacob van Diečen |
| b. |
| d. |
| Dirkje Grootveld |
| b. |
| d. |
| Family | Pedigree | Reports |
| Jacoba van Harskamp |
| b. 3 Sep 1825 |
| d. 4 Feb 1896 |
| Aalt van Harskamp |
| b. |
| d. 14 May 1849 |
| Maria van Diečen |
| b. |
| d. 7 Sep 1861 |
| Jacob van Diečen |
| b. |
| d. |
| Dirkje Grootveld |
| b. |
| d. |