Karen Marie Holgersdatter Bierck
- Ca 1763( = Etterslektstre til dette punkt, = Ekspander, = Kollaps)
- 1 Karen Marie Holgersdatter Bierck [1] d. Ca 1763
- Axel Bjørn d. 6 Apr 1773
- 2 Holger Biørn [1.1] f. Ca 1742 d. 28 Aug 1780
- 2 Johan Christopher Biørn [1.2] f. Ca 1747
- 2 Rachel Bjørn [1.3]
- Johannes Frederik Mathesen
- 3 Karen Anna Friderica Klingenberg Mathesen [1.3.1] f. 4 Jun 1779 d. 29 Okt 1857
- Marcus Frideric Dons f. 10 Sep 1768 d. 16 Aug 1827
- 4 Marianne Cathrine Kirstine Dons [1.3.1.1] f. 12 Okt 1799 d. Ca 1800
- 4 Rachel Hanna Sophia Dons [1.3.1.2] f. 24 Des 1800
- 4 Ovedia Fredrikke Marie Dons [1.3.1.3] f. 26 Mar 1803
- 4 Johan Albrecht Karl Mathesen Dons [1.3.1.4] f. 9 Feb 1805 d. Ca 1871 [ =>]
- 4 Anna Johanna Dons [1.3.1.5] f. 29 Jul 1806
- 4 Catherina Dons [1.3.1.6] f. Ca 1807 d. 27 Jan 1807
- 4 Cornelia Susanna Klingenberg Mathesen [1.3.1.7] f. 16 Apr 1808
- 4 Carl Jacob Valdemar Dons [1.3.1.8] f. 30 Nov 1810 d. Ca 1878 [ =>]
- 4 Johannes Seyersted Dons [1.3.1.9] f. Ca 1813
- Marcus Frideric Dons f. 10 Sep 1768 d. 16 Aug 1827
- 3 Karen Anna Friderica Klingenberg Mathesen [1.3.1] f. 4 Jun 1779 d. 29 Okt 1857
- Johannes Frederik Mathesen
- Axel Bjørn d. 6 Apr 1773