Children |
| 1. Aaltien Koopman, b. Mon 13 Nov 1876, Exloo, Odoorn, Drenthe, Nederland |
| 2. Roelof Koopman, b. Tue 16 Jul 1878, Borger, Drenthe, Nederland |
| 3. Harm Koopman, b. Thu 08 Jan 1880, Borger, Drenthe, Nederland |
| 4. Jan Koopman, b. Fri 08 Apr 1881, Borger, Drenthe, Nederland |
| 5. NN Koopman, b. Mon 24 Jul 1882, Borger, Drenthe, Nederland |
| 6. NN Koopman, b. Sat 26 May 1883, Borger, Drenthe, Nederland |
+ | 7. Jantien Koopman, b. Mon 09 Jun 1884, Borger, Drenthe, Nederland |
| 8. Jan Koopman, b. Wed 07 Dec 1887, Borger, Drenthe, Nederland |
| 9. NN Koopman, b. Mon 24 Jun 1889, Borger, Drenthe, Nederland |
| 10. Harmina Koopman, b. Sat 13 Sep 1890, Borger, Drenthe, Nederland |
| 11. Willemina Koopman, b. Fri 29 Apr 1892, Borger, Drenthe, Nederland |
| 12. NN Koopman, b. Fri 17 Aug 1894, Borger, Drenthe, Nederland |
| 13. Jantina Koopman, b. Fri 14 Jun 1895, Borger, Drenthe, Nederland |
| 14. Harm Koopman, b. Fri 18 Dec 1896, Borger, Drenthe, Nederland |
| 15. Harm Jan Koopman, b. Sat 09 Jul 1898, Borger, Drenthe, Nederland |
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