Christiaan de Groot
| Family | Pedigree | Reports |
| Christiaan de Groot |
| b. 3 Jul 1881 |
| d. 20 Nov 1919 |
| Jan Christiaan de Groot |
| b. 7 Jan 1850 |
| d. 21 Dec 1919 |
| Elisabeth Maria Elsensohn |
| b. 31 Oct 1864 |
| d. 8 Sep 1921 |
| Christiaan de Groot |
| b. abt 1820 |
| d. |
| Suzanna Oltmans |
| b. abt 1822 |
| d. |
| Felix Christianus Elsensohn |
| b. |
| d. 12 Dec 1873 |
| Jacoba Lange |
| b. 20 Sep 1827 |
| d. 21 May 1915 |
| Willem de Groot |
| b. |
| d. |
| Alida Heining |
| b. |
| d. |
| Dirk Anthonie Oltmans |
| b. abt 1792 |
| d. |
| Suzanna Cornelia Essink |
| b. abt 1790 |
| d. |
| Elisabeth Maria Wildanger |
| b. |
| d. 18 Jul 1847 |
| Johann Jacob Lange |
| b. |
| d. |
| Helena Straatman |
| b. abt 1796 |
| d. |
