Siebrigje Feenstra, born in Hemelumer Oldeferd on July 26, 1905, christened in Workum on November 26, 1905, daughter of Johannes Feenstra (shopkeeper, bargeman, grocer, grocer and grocer) and Trijntje Deinum, died in Nijefurd on December 20, 1993, aged 88 years.

Siebrigje was married on May 21, 1930, at the age of 24 to
Jelle de Jong (aged 25 years), born in Hemelumer Oldeferd on January 11, 1905, son of Wijtze de Jong and Jantje Visser, motorbargeman and forwarding agent, died in Sneek on November 20, 1982, aged 77 years.