Children |
| 1. Frouko Marinus Posthuma, b. 15 Oct 1876, Utingeradeel, FR, NLD d. 17 Nov 1876, Utingeradeel, FR, NLD (Age 0 years) |
| 2. Frouko Marinus Posthuma, b. 12 Sep 1878, Utingeradeel, FR, NLD |
| 3. Marinus Jans Posthuma, b. 01 Jul 1880, Utingeradeel, FR, NLD d. 15 Sep 1880, Utingeradeel, FR, NLD (Age 0 years) |
| 4. Fimke Jans Posthuma, b. 13 Dec 1881, Utingeradeel, FR, NLD d. 14 Jul 1883, Utingeradeel, FR, NLD (Age 1 year) |
| 5. Froukje Jans Posthuma, b. 07 Jan 1883, Oldeboorn, FR, NLD d. 01 Oct 1941, Zuidbroek, GR, NLD (Age 58 years) |
| 6. Fimke Jans Posthuma, b. 13 Feb 1884, Utingeradeel, FR, NLD |
| 7. Antje Jans Posthuma, b. 10 Mar 1885, Oldeboorn, FR, NLD d. 19 Mar 1922, Groningen, GR, NLD (Age 37 years) |
| 8. Minke Jans Posthuma, b. 13 Jul 1886, Utingeradeel, FR, NLD d. 10 Apr 1887, Utingeradeel, FR, NLD (Age 0 years) |
| 9. Minke Jans Posthuma, b. 25 Nov 1888, Utingeradeel, FR, NLD d. 10 Aug 1889, Utingeradeel, FR, NLD (Age 0 years) |
| 10. Minke Jans Posthuma, b. 18 May 1891, Oldeboorn, FR, NLD d. 20 Mar 1925, Zuidbroek, GR, NLD (Age 33 years) |
| 11. Roelofje Hendrika Posthuma, b. 04 Sep 1892, Utingeradeel, FR, NLD |
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