Children |
| 1. Gerbrand Hendrik Ketz, b. Abt 1866, Dieren d. 14 Jun 1875, IJsselmonde (Age 9 years) |
| 2. Christina Willemina Ketz, b. Abt Jun 1868 d. 21 Jun 1869, Moerkapelle (Age 1 year) |
| 3. Dirkje Ketz, b. 20 Sep 1869, Moerkapelle d. 29 Jan 1941 (Age 71 years) |
| 4. Wijntje Ketz, b. 31 Jul 1871, Kralingen d. 23 Mar 1875, IJsselmonde (Age 3 years) |
| 5. Johanna Ketz, b. 27 Feb 1874, Kralingen |
| 6. Wijntje Ketz, b. 12 Jan 1876, Kralingen |
| 7. Maria Ketz, b. 27 Jun 1879, Kralingen d. 10 Jun 1922, Poortugaal (Age 42 years) |
+ | 8. Gerrebrand Hendrik Ketz, b. 22 Jul 1883, Kralingen |
| 9. Christina Ketz, b. 28 Sep 1886, Rotterdam |
|