Children |
| 1. Wijbren Alberts Koopmans, b. 19 Oct 1770, Oldelamer, Weststellingwerf, FR, NLD d. 12 Dec 1806, Delfstrahuizen, Schoterland, FR, NLD (Age 36 years) |
| 2. Nanne Alberts Koopman, b. 13 May 1773, Oldelamer, Weststellingwerf, FR, NLD d. 30 Sep 1824, Echten, Lemsterland, FR, NLD (Age 51 years) |
| 3. Ulbe Alberts, b. 06 Apr 1775, Oosterzee, Lemsterland, FR, NLD d. Bef 1786 (Age < 10 years) |
| 4. Johannes Alberts, b. 12 Oct 1777, Oosterzee, Lemsterland, FR, NLD d. Bef 1791 (Age < 13 years) |
| 5. Gretske Alberts, b. 24 Nov 1779, Oosterzee, Lemsterland, FR, NLD |
| 6. Antje Alberts, b. 09 Dec 1781, Oosterzee, Lemsterland, FR, NLD |
| 7. Tetje Alberts, b. 01 Jul 1783, Echten, Lemsterland, FR, NLD |
| 8. Ulbe Alberts, b. 09 Jan 1786, Echten, Lemsterland, FR, NLD d. Bef 1789 (Age < 2 years) |
| 9. Ulbe Alberts, b. 13 Jan 1789, Echten, Lemsterland, FR, NLD |
| 10. Johannes Alberts Koopman, b. 16 Sep 1791, Echten, Lemsterland, FR, NLD d. 21 Feb 1828, Oosterzee, Lemsterland, FR, NLD (Age 36 years) |
| 11. Jan Alberts Koopman, b. 02 Jul 1794, Echten, Lemsterland, FR, NLD |
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