Children |
| 1. Janke Romkes Kooiman, b. 16 Jun 1870, Nieuweschoot, Schoterland, FR, NLD |
| 2. Binze Romkes Kooiman, b. 14 May 1872, Haskerland, FR, NLD |
| 3. Homme Romkes Kooiman, b. 30 Sep 1874, Oudehaske, Haskerland, FR, NLD |
| 4. Henrdrikjen Romkes Kooiman, b. 24 May 1877, Oudehaske, Haskerland, FR, NLD |
| 5. Grietje Romkes Kooiman, b. 10 Sep 1879, Oudehaske, Haskerland, FR, NLD |
| 6. Duike Romkes Kooiman, b. 25 Jul 1882, Oudehaske, Haskerland, FR, NLD |
| 7. Aaltje Romkes Kooiman, b. 23 Aug 1885, Haskerland, FR, NLD |
| 8. Sjoeke Romkes Kooiman, b. 27 Jun 1889, Haskerland, FR, NLD |
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