Jacoba Feenstra, born in Nijega on July 15, 1902, christened in Workum on September 7, 1902, daughter of Johannes Feenstra (shopkeeper, bargeman, grocer, grocer and grocer) and Trijntje Deinum, died in Sneek on March 20, 1986, buried in Hemelum on March 24, 1986, aged 83 years.

Jacoba was married in Hemelumer Oldeferd on March 19, 1925, at the age of 22 to her cousin
Catharinus Feenstra (aged 23 years), born in Harlingen on May 30, 1901, son of Otte Feenstra (bargeman, steamship captain and stock farmer) and Hitje Kuipers, tuinbouwer and groentenkweker, died in Sneek on December 19, 1965, aged 64 years.