1. | Gerben Sijtzes Jonker was born about 1810 in Grouw, Idaarderadeel, FR, NLD. Gerben married Rigtje Jans van den Berg on 14 Feb 1839 in Idaarderadeel, FR, NLD. Rigtje (daughter of Jan Roelofs van den Berg and Jetske Ruurds Jelgersma) was born about 1819 in Grouw, Idaarderadeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | Jan Gerbens Jonker (1.Gerben1) was born about 1839 in Grouw, Idaarderadeel, FR, NLD. Jan married Tietje Wiglema on 16 Nov 1864 in Idaarderadeel, FR, NLD. Tietje (daughter of Sijtske Johannes Wiglema) was born on 09 Apr 1842 in Irnsum, Rauwerderhem, FR, NLD. [Group Sheet] [Family Chart] |