Children |
| 1. Foeke Johannes Roukema, b. 16 Jan 1898, Rotterdam, ZH, NLD d. 26 Sep 1908, Bruinisse, ZL, NLD (Age 10 years) |
| 2. Geiske Johannes Roukema, b. 02 Mar 1899 d. 25 Jul 1977, Ede, GL, NLD (Age 78 years) |
| 3. Neeltje Johannes Roukema, b. 22 Sep 1900, aan boord van zijn schip, Lemmer, Lemsterland, FR, NLD  |
| 4. Sweitse Johannes Roukema, b. 14 Oct 1901, Rotterdam, ZH, NLD  |
| 5. Tjimkje Johannes Roukema, b. 26 Feb 1903, Rotterdam, ZH, NLD d. 12 Jan 1949, Almelo, OV, NLD (Age 45 years) |
| 6. Sipke Johannes Roukema, b. 25 Jul 1904, Rotterdam, ZH, NLD  |
| 7. Janna Johannes Roukema, b. 25 Sep 1905, Rotterdam, ZH, NLD d. 21 May 1977 (Age 71 years) |
| 8. Hessel Johannes Roukema, b. 06 Feb 1907, Rotterdam, ZH, NLD  |
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