| Family |
Klaas Douwes Wierstra, b. 12 Sep 1790, Metslawier, Oostdongeradeel, Friesland, Netherlands d. 18 Apr 1849, Ternaard, Westdongeradeel, Friesland, Netherlands (Age 58 years) |
| Children |
| | 1. Wytske Klases Wierstra, b. 26 May 1820 d. 1906 (Age 85 years) |
| | 2. Riemke Klases Wierstra, b. 20 Oct 1821, Oosdongeradeel, Friesland, Netherlands d. 1894 (Age 72 years) |
| | 3. Martje Wiersma, b. 2 Aug 1824, Ternaard d. 1905 (Age 80 years) |
| | 4. Jetske Klases Wiersma, b. 16 Dec 1827, Hantumeruitburen d. Yes, date unknown |
| | 5. Marten Klases Wiersma, b. 1830 d. 14 Sep 1830 (Age 0 years) |
| | 6. Douwe Klases Wiersma, b. 1832 d. 1902 (Age 70 years) |
|