Sijtje Feenstra, born in Sneek on April 1, 1901, daughter of Bauke Feenstra (factory worker, farmer's hand and workman) and Rientsje Wagenaar (housekeeper), schoonmaakster, died in Leeuwarden on April 20, 1966, aged 65 years.

Sijtje was married to
Rinze de Vries, born in Leeuwarden on March 29, 1898.