Children |
| 1. Jan Jacobs Hoornstra, b. 18 Dec 1816, Gorredijk, Opsterland, FR, NLD d. 25 Sep 1871, Durgerdam, Ransdorp, NH, NLD (Age 54 years) |
| 2. Egbert Jacobs Hoornstra, b. 10 Feb 1819, Opsterland, FR, NLD d. 02 Oct 1819, Opsterland, FR, NLD (Age 0 years) |
| 3. Jitske Jacobs Hoornstra, b. 03 Sep 1824, Opsterland, FR, NLD |
| 4. Wiebe Jacobs Hoornstra, b. 30 Jul 1825, Opsterland, FR, NLD |
| 5. Egbert Jacobs Hoornstra, b. 07 Sep 1827, Opsterland, FR, NLD d. 29 Jun 1849, Oldeboorn, FR, NLD (Age 21 years) |
| 6. Sjoerd Jacobs Hoornstra, b. 23 Nov 1829, Gorredijk, Opsterland, FR, NLD |
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