Children |
| 1. Trijntje Johannes Koopmans, b. 29 Oct 1836, Oldeboorn, FR, NLD |
| 2. Antje Johannes Koopmans, b. 06 May 1838, Oldeboorn, FR, NLD d. 30 May 1918, no. 344 (339), Oldeboorn, Utingeradeel, FR, NLD (Age 80 years) |
| 3. levenloos kind Koopmans, b. 13 Apr 1840, Utingeradeel, FR, NLD d. 13 Apr 1840, Utingeradeel, FR, NLD (Age 0 years) |
| 4. Jelle Johannes Koopmans, b. 17 Mar 1841, Oldeboorn, FR, NLD d. 14 Jan 1917, Rauwerderhem, FR, NLD (Age 75 years) |
| 5. Aukje Johannes Koopmans, b. 22 Jan 1843, Oldeboorn, FR, NLD d. 03 Jun 1916, Utingeradeel, FR, NLD (Age 73 years) |
| 6. IJttje Johannes Koopmans, b. 27 Apr 1845, Oldeboorn, Utingeradeel, FR, NLD d. 28 Oct 1850, no. 166, Oldeboorn, FR, NLD (Age 5 years) |
| 7. Klaaske Johannes Koopmans, b. 07 Apr 1848, Oldeboorn, FR, NLD d. 19 Feb 1907, Rauwerderhem, FR, NLD (Age 58 years) |
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