1. | Antje Jannes Boerstra was born about 1872 in Langezwaag, Opsterland, FR, NLD. Antje married Gatze Kornelis van Kalsbeek on 20 Apr 1894 in Utingeradeel, FR, NLD. Gatze (son of Kornelis Rimmerts van Kalsbeek and Akke Jolles Jager) was born on 10 Nov 1870 in Oldeboorn, FR, NLD. [Group Sheet] [Family Chart] |