1. | Klaas Rintjes Sijtsma was born about 1872 in Poppingawier, Rauwerderhem, FR, NLD. Klaas married Antje Gerbens Slottje on 01 Jun 1899 in Utingeradeel, FR, NLD. Antje (daughter of Gerben Adams Slottje and Aaltje Ruurds de Roos) was born on 12 Jul 1873 in Utingeradeel, FR, NLD; died on 17 Jul 1915 in Utingeradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | Rintje Klazes Sijtsma (1.Klaas1) was born on 30 Jul 1901 in Utingeradeel, FR, NLD; died on 05 Sep 1901 in Utingeradeel, FR, NLD. |