Jacob Jans Appeldoorn, born circa 1778, died on October 6, 1827, aged approximately 49 years.

Jacob was married to
Klaaske Jans Visser, born circa 1776, died in Bolsward on February 10, 1849, aged approximately 73 years.

• 1 : Rinke Jacobs Appeldoorn, born in Bolsward in the year 1810, barge hand, private 8th Infantery Division and spinbaas, died in Bolsward on November 18, 1880, aged 70 years.
  Rinke was married in Harlingen on February 22, 1838, at the age of 28 to Grietje Pieters Tigchelaar (aged 26 years), born in Almenum on February 11, 1812, daughter of Pieter Rientses Tigchelaar (worker and tilebaker's hand) and Metje Jans de Jong, died in Bolsward on February 24, 1845, aged 33 years.