Children |
| 1. Janzen Sijtzes Postma Nijdam, b. 11 Feb 1841, Oldeboorn, FR, NLD d. 20 Jan 1877, Oldeboorn, FR, NLD (Age 35 years) |
| 2. Jouke Sijtzes Postma Nijdam, b. 09 Nov 1843, Oldeboorn, FR, NLD d. 04 Nov 1918, no. 315, Oldeboorn, Utingeradeel, FR, NLD (Age 74 years) |
| 3. Trijntje Sijtzes Postma Nijdam, b. 11 Oct 1847, Oldeboorn, FR, NLD d. 27 Apr 1932, Irnsum, Rauwerderhem, FR, NLD (Age 84 years) |
| 4. Sijtze Sijtzes Nijdam, b. 25 Aug 1851, huis 232, Oldeboorn, FR, NLD d. 24 Jun 1934, Leeuwarden, FR, NLD (Age 82 years) |
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