Children |
| 1. Anje Nieswaag, b. Yes, date unknown |
| 2. Derk Nieswaag, b. Sat 10 Nov 1888, Groningen, Groningen, Nederland |
| 3. Teubegien Nieswaag, b. Tue 18 Nov 1890 |
| 4. Andreas Nieswaag, b. Wed 14 Jun 1893 |
+ | 5. Jan Nieswaag, b. Tue 19 Nov 1895, Groningen, Groningen, Nederland |
+ | 6. Teubegien Nieswaag, b. Wed 27 Oct 1897, Groningen, Groningen, Nederland |
| 7. Harm Nieswaag, b. Fri 28 Sep 1900, Groningen, Groningen, Nederland |
| 8. Georg Wensel Nieswaag, b. Sun 16 Aug 1903, Groningen, Groningen, Nederland |
| 9. Andrea Jacoba Nieswaag, b. Fri 01 Dec 1905, Groningen, Groningen, Nederland |
| 10. Hindrik Nieswaag, b. Fri 20 Nov 1908 |
| 11. Engelina Nieswaag, b. Mon 27 Feb 1911 |
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