| Children |
| | 1. Stijntje Klaases Wiersma, b. 28 Mar 1880, Hantumhuizen Westdongeradeel Friesland NL d. 1 Jan 1947, Wierum Westdongeradeel Friesland NL (Age 66 years) |
| | 2. Douwe Klaases Wiersma, b. 13 Oct 1881, Wierum Westdongeradeel Friesland NL d. 29 Jan 1949, Wieringermeer, North Holland, Netherlands (Age 67 years) |
| | 3. Jan Klaases Wiersma, b. 31 Dec 1882, Wierum Westdongeradeel Friesland NL d. 7 May 1948 (Age 65 years) |
| | 4. Harmen Klaases Wiersma, b. 16 Jan 1885, Ternaard Dongeradeel Friesland NL d. 15 Nov 1944, Leeuwarden Friesland NL (Age 59 years) |
| | 5. Antje Klaases Wiersma, b. 5 Nov 1886, Ternaard Dongeradeel Friesland NL d. 14 Apr 1945, Texel North Holland NL (Age 58 years) |
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