Children:
- Willem Geerts Kalsbeek was born on 08 Jan 1818 in Utingeradeel, FR, NLD; died on 17 Oct 1826 in Utingeradeel, FR, NLD.
- Stijntje Geerts Kalsbeek was born on 23 Aug 1819 in Oldeboorn, Utingeradeel, FR, NLD; died on 28 Feb 1892 in Utingeradeel, FR, NLD.
- Aebele Geerts Kalsbeek was born on 17 Apr 1823 in Utingeradeel, FR, NLD.
- Anne Geerts Kalsbeek was born on 15 Aug 1824 in Utingeradeel, FR, NLD; died on 15 Sep 1917 in Renkum, GL, NLD.
- Sierk Geerts Kalsbeek was born on 09 Mar 1826 in Oldeboorn, Utingeradeel, FR, NLD.
- 1. Willem Geerts Kalsbeek was born on 03 Sep 1829 in Oldeboorn, Utingeradeel, FR, NLD.
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