Sjoerd Feenstra, born in Franekeradeel on August 28, 1891, son of Dirk Cornelis Feenstra (carpenter's man and farmer) and Hittje Hiemstra, carpenter, died in Franeker on December 30, 1967, aged 76 years.

Sjoerd was married in Franeker on May 21, 1941, at the age of 49 to
Johanna Elzinga (aged 38 years), born in Menaldumadeel on October 5, 1902.