Jacobus Franciscus Harryvan, born in Den Helder on May 18, 1862, machinist.

Jacobus was married to
Akke van der Linde, born in Franekeradeel on August 27, 1865.

• 1 : Dirk Hermanus Harryvan, born in Weesp on August 15, 1898, teacher and teacher advanced elementary education, died in Utrecht on December 23, 1978, aged 80 years.
  Dirk was married in Harlingen on April 20, 1922, at the age of 23 (1) to Dieuwke Tigchelaar (aged 26 years), born in Harlingen on November 5, 1895, daughter of Rommert Tjerks Tigchelaar (kruidenier en grossier in aardappelen, werkman en winkelier, grocer, koopman en winkelier and merchant) and Jantje Leijenaar (maid servant), telephone operator, died in Weesp on April 4, 1931, aged 35 years.
  Dirk was married in Malang on October 27, 1932, at the age of 34 (2) to N.N..