1. | Klaas Jans Family/Spouse: Sijke Sakes Boonstra. Sijke (daughter of Saake Kornelis Boonstra and Dirkje Wijtzes) was born on 04 Mar 1777 in Marrum, Ferwerderadeel, FR, NLD; died on 25 Sep 1849 in Ferwerd, Ferwerderadeel, FR, NLD. [Group Sheet] [Family Chart] |