1. | Jan Ottes de Bok was born about 1809 in Hemelum, Hemelumer Oldeferd, FR, NLD. Jan married Johanna Sjoerds Kalksma on 20 Apr 1842 in Workum, FR, NLD. Johanna (daughter of Sjoerd Simons Kalksma and Grietje Jans de Harder) was born about 1815 in Workum, FR, NLD. [Group Sheet] [Family Chart] |