Children:
- Marijke IJtsens was born on 20 Apr 1778 in Wanswerd, Ferwerderadeel, FR, NLD; died before 1789.
- Jan IJtzens Tamminga was born on 12 Jan 1784 in Wanswerd, Ferwerderadeel, FR, NLD.
- 1. IJsaak IJtzens Tamminga was born on 18 Jul 1785 in Wanswerd, Ferwerderadeel, FR, NLD.
- Dirk IJtzens Tamminga was born on 26 Apr 1787 in Wanswerd, Ferwerderadeel, FR, NLD; died on 11 May 1847 in Jellum, Baarderadeel, FR, NLD.
- Marijke IJtzens Tamminga was born on 11 Mar 1789 in Wanswerd, Ferwerderadeel, FR, NLD.
- Lieuwe IJtzens Tamminga was born on 21 Feb 1793 in Wanswerd, Ferwerderadeel, FR, NLD; died on 04 Mar 1823 in huis 34, Boxum, Menaldumadeel, FR, NLD.
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