Marriage: Gepke Jannes 8 Nov 1720, Marum Marum Groningen Netherlands
Died: 1762, Noordwijk Marum Groningen Netherlands
Siwert married Gepke Jannes, daughter of Johannes Bonnes and Froukien Lubbes, on 8 Nov 1720 in Marum Marum Groningen Netherlands. (Gepke Jannes was born in Noordwijk Marum Groningen Netherlands.)
