Children |
| 1. Johanna Roelofs Slump, b. 27 Apr 1871, Lemsterland, FR, NLD |
| 2. Antje Roelofs Slump, b. 20 May 1872, Echten, Lemsterland, FR, NLD |
| 3. Jan Roelofs Slump, b. 20 May 1873, Lemsterland, FR, NLD |
| 4. Harm Roelofs Slump, b. 03 Jan 1875, Lemsterland, FR, NLD |
| 5. Jacobje Roelofs Slump, b. 23 Mar 1876, Lemsterland, FR, NLD |
| 6. Harmen Roelofs Slump, b. 10 Nov 1878, Lemsterland, FR, NLD |
| 7. Jan Roelofs Slump, b. 24 Jun 1880, Lemsterland, FR, NLD |
| 8. Franciska Roelofs Slump, b. 12 Aug 1883, Echten, Lemsterland, FR, NLD |
| 9. Harmen Roelofs Slump, b. 24 May 1885, Lemsterland, FR, NLD |
| 10. Willem Roelofs Slump, b. 23 Jul 1887, Lemsterland, FR, NLD |
| 11. Cornelis Roelofs Slump, b. 20 Jul 1890, Lemsterland, FR, NLD |
| 12. Berend Roelofs Slump, b. 07 Apr 1892, Lemsterland, FR, NLD |
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