Pieter Feenstra, born in Warga on September 1, 1874, son of Sjoerd Gerrits Feenstra (barge hand, journeyman baker and warehouseman) and Harmke Joukes Tuinstra, cheesemaker, died in Apeldoorn on April 18, 1941, aged 66 years.

Pieter was married in Idaarderadeel on May 26, 1898, at the age of 23 to
Tietje Visser (aged 22 years), born in Hempens on March 2, 1876, daughter of Jan Jogchums Visser (carpenter's man) and Dieuwke Heerkes Tigchelaar, died in Arnhem on April 26, 1951, aged 75 years.

• 1 : Sjoerd Feenstra, born in Warga on February 19, 1899, head teacher, died in Rheden on January 6, 1978, aged 78 years.
  Sjoerd was married in Rozendaal on August 23, 1923, at the age of 24 to Gerdina Willemsen (aged 21 years), born in Rozendaal on November 10, 1901, daughter of Hendrik Jan Willemsen and Cornelia Tabor, died in Rheden on January 21, 1984, aged 82 years.
  

• 2 : Dieuwke Feenstra, born in Warga on April 24, 1900, died there on April 28, 1900, aged 4 days.