Children |
| 1. Jannes Douwes de Jong, b. 21 Sep 1898, Siegerswoude, Opterland, FR, NLD |
| 2. Trijntje Douwes de Jong, b. 12 Apr 1900, Ureterp, Opterland, FR, NLD |
| 3. Aukje Dowes de Jong, b. 23 Aug 1902, Ureterp, Opterland, FR, NLD d. 11 Oct 1908, Ureterp, Opterland, FR, NLD (Age 6 years) |
| 4. Janke Douwes de Jong, b. 18 Nov 1903, Ureterp, Opterland, FR, NLD |
| 5. Willem Douwes de Jong, b. 03 Dec 1905, Ureterp, Opterland, FR, NLD |
| 6. Albert Douwes de Jong, b. 29 Aug 1907, Ureterp, Opterland, FR, NLD |
| 7. Eelke Douwes de Jong, b. 09 Apr 1910, Ureterp, Opterland, FR, NLD |
| 8. A.D. de Jong |
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