Children |
| 1. Kerst Sijmens de Jong, b. 26 Nov 1812, Oldeboorn, FR, NLD d. 06 Dec 1814, Oldeboorn, FR, NLD (Age 2 years) |
| 2. Dettje Sijmens de Jong, b. Abt 1815, Oldeboorn, FR, NLD |
| 3. Kerst Sijmens de Jong, b. 23 May 1817, Oldeboorn, FR, NLD d. 18 Feb 1901, Opsterland, FR, NLD (Age 83 years) |
| 4. Freerk Sijmens de Jong, b. 1820, Oldeboorn, FR, NLD |
| 5. Klaas Sijmens de Jong, b. 1822, Oldeboorn, FR, NLD d. 28 Jan 1900, Utingeradeel, FR, NLD (Age 78 years) |
| 6. Sjouke Sijmens de Jong, b. 27 Mar 1826, Nes, Utingeradeel, FR, NLD d. 24 Feb 1882, Opsterland, FR, NLD (Age 55 years) |
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