Klaas de Jong, born in Pingjum on December 30, 1890, son of Douwe Jans de Jong (worker) and Trijntje Jorritsma, gardener, died in Sneek on November 23, 1975, aged 84 years.

Klaas was married in Wonseradeel on November 17, 1917, at the age of 26 to
Fetje Strikwerda (aged 23 years), born in Witmarsum on June 19, 1894, daughter of Anne Strikwerda (worker and miller) and Elisabeth Grondsma, died in Harlingen on November 24, 1968, aged 74 years.