1. | Jan Gerbens Jonker 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] |