| 1. Willem Jacobus Hartzer, b. 30 Mar 1857, Hartebeesfontein, Lichtenburg , d. 1926 (Age 68 years) |
| 2. Jacoba Aderjana Hartzer, b. 12 Apr 1858, d. 15 Nov 1858 (Age 0 years) |
| 3. Dirk Johannes Hatzer, b. 25 May 1859 |
| 4. Daniel Matthus Hatzer, b. 30 Aug 1860, d. 8 Oct 1861 (Age 1 years) |
| 5. Johannes Hendrik Hatzer, b. 28 Nov 1861 |
| 6. Susanna Maria Hartzer, b. 16 May 1863 |
| 7. Daniel Mathias Hatzer, b. 17 Sep 1865 |
| 8. Jacoba Aderjan Jacobse Hatzer, b. 9 Dec 1866 |
| 9. Anna Maria Jacoba Hartzer, b. 21 Sep 1871 |
| 10. Pieter Daniel Hartzer, b. 17 Aug 1874, d. 1938, Lichtenburg, Transvaal (Age 63 years) |
| 11. Dirk Johanis Hartzer, b. 18 Oct 1875 |
| 12. Jan Albert Hartzer, b. 23 Mar 1877 |