1. | Sijbren Folkerts Postma Sijbren married Dieuwke Jurjens van der Wal on 30 Aug 1807 in Suawoude, Tietjerksteradeel, FR, NLD. Dieuwke (daughter of Jurjen Andries van der Wal and Dieuwke Annes Kuipers) was born about 1788 in Suawoude, Tietjerksteradeel, FR, NLD. [Group Sheet] [Family Chart] Children:
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