Jacoba Cornelia Beker Jansen
| Family | Pedigree | Reports |
| Jacoba Cornelia Beker Jansen |
| b. 15 Sep 1833 |
| d. 29 Nov 1909 |
| Jan Beker Jansen |
| b. |
| d. 1 Mar 1879 |
| Neeltje Kielburger |
| b. 13 Oct 1811 |
| d. 27 Apr 1890 |
| Gerrit Jan Beker Jansen |
| b. |
| d. |
| Alida Parels |
| b. |
| d. |
| Jacob Kielburger |
| b. |
| d. |
| Jacoba Willebrant |
| b. |
| d. |