Petronella Helena Fens
| Family | Pedigree | Reports |
| Petronella Helena Fens |
| b. 15 Sep 1897 |
| d. 17 Aug 1964 |
| Petrus Johannes Fens |
| b. 24 Jun 1856 |
| d. 18 Aug 1906 |
| Helena de Groot |
| b. 24 Mar 1864 |
| d. 11 Aug 1938 |
| Petrus Fens |
| b. 29 Nov 1828 |
| d. 27 Jan 1905 |
| Johanna Willemina Riool |
| b. 21 Jan 1831 |
| d. 17 Jan 1896 |
| Willem de Groot |
| b. 11 Aug 1826 |
| d. 20 Mar 1898 |
| Adriana Maria de Wijs |
| b. 22 Nov 1829 |
| d. 17 Dec 1917 |
| Petrus Fens |
| b. |
| d. 27 Feb 1832 |
| Johanna van Strien |
| b. |
| d. 10 Mar 1872 |
| Joannes Riool |
| b. |
| d. 3 Feb 1859 |
| Joanna Damen |
| b. |
| d. 9 Jun 1841 |
| Leonardus de Groot |
| b. |
| d. 12 Jun 1856 |
| Helena Snoeren |
| b. |
| d. 18 Jun 1841 |
| Antonius de Wijs |
| b. |
| d. 19 Mar 1869 |
| Johanna Verschuren |
| b. |
| d. 21 Dec 1851 |
