Children:
- Wijbren Alberts Koopmans was born on 19 Oct 1770 in Oldelamer, Weststellingwerf, FR, NLD; died on 12 Dec 1806 in Delfstrahuizen, Schoterland, FR, NLD.
- Nanne Alberts Koopman was born on 13 May 1773 in Oldelamer, Weststellingwerf, FR, NLD; died on 30 Sep 1824 in Echten, Lemsterland, FR, NLD.
- Ulbe Alberts was born on 06 Apr 1775 in Oosterzee, Lemsterland, FR, NLD; died before 1786.
- Johannes Alberts was born on 12 Oct 1777 in Oosterzee, Lemsterland, FR, NLD; died before 1791.
- Gretske Alberts was born on 24 Nov 1779 in Oosterzee, Lemsterland, FR, NLD.
- Antje Alberts was born on 09 Dec 1781 in Oosterzee, Lemsterland, FR, NLD.
- Tetje Alberts was born on 01 Jul 1783 in Echten, Lemsterland, FR, NLD.
- Ulbe Alberts was born on 09 Jan 1786 in Echten, Lemsterland, FR, NLD; died before 1789.
- Ulbe Alberts was born on 13 Jan 1789 in Echten, Lemsterland, FR, NLD.
- 1. Johannes Alberts Koopman was born on 16 Sep 1791 in Echten, Lemsterland, FR, NLD; died on 21 Feb 1828 in Oosterzee, Lemsterland, FR, NLD.
- Jan Alberts Koopman was born on 02 Jul 1794 in Echten, Lemsterland, FR, NLD.
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