Hendrik Feenstra, born in Harlingen on March 18, 1871, son of Cornelis Feenstra (blacksmith' hand and blacksmith' hand) and Hielkje Heeres (maid servant), workman.

Hendrik was married in Harlingen on July 27, 1893, at the age of 22 to
Johanna Appeldoorn (aged 18 years), born in Harlingen on December 15, 1874, daughter of N.N. and Klaasje Appeldoorn.

• 1 : Cornelis Feenstra, born in Harlingen on January 13, 1894, died there on June 19, 1962, aged 68 years.
  Cornelis was married in Hennaarderadeel on February 5, 1925, at the age of 31 to Maaike Winselaar (aged 25 years), born in Hennaarderadeel on November 22, 1899.
  

• 2 : Klasina Jacoba Feenstra, born in Harlingen on December 7, 1895, died in Sneek on November 1, 1971, aged 75 years.
  Klasina was married on June 6, 1921, at the age of 25 to Jan Tigchelaar (aged 27 years), born in Bolsward on April 9, 1894, died in Sneek on July 1, 1968, aged 74 years.
  

• 3 : Herman Feenstra, born in Harlingen on January 13, 1900, died there on December 6, 1902, aged 2 years.
  

• 4 : Gerrit Feenstra, born in Harlingen on October 20, 1901, died there on May 4, 1918, aged 16 years.