| Children |
| | 1. Koen Jan Jansz, b. 12 Aug 1864, Terschelling  |
| | 2. Koen Emma Jans, b. 14 Nov 1865, Terschelling , d. 23 Oct 1920, Midsland (Age 54 years) |
| | 3. Koen Willem Jans, b. 21 Nov 1868, Terschelling , d. 22 Aug 1933, Terschelling (Age 64 years) |
| | 4. Koen Cornelis Jans, b. 6 Nov 1870, Terschelling , d. Nov 1902, Op Zee (Age 32 years) |
| | 5. Koen Dirk Jansz, b. 15 Sep 1872, Terschelling , d. 5 Jun 1949, Midsland (Age 76 years) |
| | 6. Koen Neeltje, b. 17 Oct 1875, Terschelling , d. 9 Nov 1951, Amsterdam (Age 76 years) |
| + | 7. Koen Matheus Jans, b. 28 Aug 1878, Terschelling , d. 5 May 1965, Wieringen (Age 86 years) |
|
1839 - 1926 (86 years)
