Children:
- Sijmen Martens Koksma died on 23 Apr 1841 in huis 25, Nijehaske, Haskerland, FR, NLD.
- Akke Martens was born on 30 Jun 1772 in Delfstrahuizen, Schoterland, FR, NLD.
- Luitje Martens Koksma was born on 10 May 1774 in Delfstrahuizen, Schoterland, FR, NLD; died on 04 Jul 1860 in huis 23, Delfstrahuizen, Schoterland, FR, NLD.
- Jurjen Martens was born on 27 Sep 1776 in Delfstrahuizen, Schoterland, FR, NLD.
- Franke Martens Koksma was born on 10 Aug 1778 in Delfstrahuizen, Schoterland, FR, NLD.
- 1. Marten Martens was born on 28 Feb 1781 in Delfstrahuizen, Schoterland, FR, NLD.
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