1. | Sjoerd Johannes de Jong was born on 19 Apr 1891 in Warga, Idaarderadeel, FR, NLD. Sjoerd married Klaaske Sijtzes de Jong on 10 May 1919 in Idaarderadeel, FR, NLD. Klaaske (daughter of Sijtze Hotzes de Jong and Jaaike Jelmers Hiemstra) was born about 1887 in Warga, Idaarderadeel, FR, NLD. [Group Sheet] [Family Chart] |