Tjerk Klases Tigchelaar, born in Wijnaldum on February 4, 1820, son of Klaas Tjerks Tichelaar (shoemaker's hand, shoemaker and worker) and Trijntje Rommerts Radema (maid servant and woman worker), farmer's hand, merchant, worker, cabbage grower, bargeman and farmhand, died in Harlingen on November 29, 1896, aged 76 years.

Tjerk was married in Barradeel on May 2, 1846, at the age of 26 to
Antje Hendriks Winsma (aged 21 years), born in Wijnaldum on July 14, 1824, daughter of Hendrik Gerryts Winsma (worker) and Jetske Hobbes Dijkstra, died in Harlingen on December 11, 1908, aged 84 years.

• 1 : Klaas Tjerks Tigchelaar, born in Wijnaldum on September 24, 1847, stalknecht, pakhuisknecht, farmhand, merchant, workman, worker, bargeman and grain bearer, died in Harlingen on November 8, 1902, aged 55 years.
  Klaas was married in Barradeel on April 6, 1872, at the age of 24 (1) to Heintje Johannes Leyenaar (aged 24 years), born in Midlum on February 27, 1848, daughter of Johannes Wopkes Leyenaar (boatbuilder) and Phillipina Hermanus OutJoha, died in Harlingen on December 14, 1884, aged 36 years.
  Klaas was married in Harlingen on May 13, 1886, at the age of 38 (2) to Aaltje Ybema (aged 28 years), born in Almenum on April 26, 1858, daughter of Albert Bernardus Ybema (tilebaker's hand, bargeman and tilebaker's hand) and Geeske Jans Visser, died in Harlingen on July 27, 1889, aged 31 years.
  Klaas was married in Harlingen on May 2, 1892, at the age of 44 (3) to Henderika Jacobus de Jong (aged 46 years), born in Harlingen on January 25, 1846, daughter of Jacobus Hayes de Jong (warehouseman) and Petronella Schimmelpenning, died in Harlingen on April 11, 1894, aged 48 years.
  Henderika was married before in Harlingen on November 16, 1879, at the age of 33 to Jan Bakker (aged 29 years), born in Harlingen on December 9, 1849, son of Maevis Bakker (sailor) and Eelkje Douwes Zeilmaker, barber and merchant, died in Harlingen on April 23, 1891, aged 41 years.
  Klaas was married in Harlingen on March 7, 1895, at the age of 47 (4) to Wendelina Godthelp (aged 42 years), born in Harlingen on June 2, 1852, daughter of Klaas Johannes Gothelp and Antje Robijns Zijlstra, died there on April 9, 1939, aged 86 years.
  Wendelina was married before in Harlingen on May 23, 1878, at the age of 25 to Johannes Sinnema (aged 34 years), born in Harlingen on May 7, 1844, son of Joseph Wilhelm Sinnema and Jetske Folkerts Jorritsma, died there on January 29, 1894, aged 49 years. Wendelina was married afterwards in Harlingen on May 15, 1913, at the age of 60 to Tjitte de Jong (aged 72 years), born in Makkum on March 20, 1841, son of Broer Tjittes de Jong and Antje Pieters de Haas, carpenter, died in Harlingen on December 12, 1920, aged 79 years.
  

• 2 : Jetske Tjerks Tigchelaar, born in Wijnaldum on November 2, 1848, died there on January 22, 1850, aged 1 year.
  

• 3 : Hendrik Tjerks Tigchelaar, born in Wijnaldum on January 3, 1850, died there on January 31, 1850, aged 28 days.
  

• 4 : Hendrik Tjerks Tigchelaar, born in Wijnaldum on September 20, 1851, died unmarried there on January 12, 1871, aged 19 years.
  

• 5 : Jetske Tjerks Tigchelaar, born in Wijnaldum on April 20, 1853, died there on March 10, 1865, aged 11 years.
  

• 6 : Trijntje Tjerks Tigchelaar, born in Wijnaldum on July 29, 1854, died there on August 12, 1854, aged 14 days.
  

• 7 : Rommert Tjerks Tigchelaar, born in Wijnaldum on December 21, 1858, kruidenier en grossier in aardappelen, werkman en winkelier, grocer, koopman en winkelier and merchant, died in Harlingen on October 11, 1923, buried there after October 11, 1923, aged 64 years.
  Rommert was married in Harlingen on November 19, 1885, at the age of 26 to Jantje Leijenaar (aged 22 years), born in Harlingen on January 3, 1863, daughter of Jan Leijenaar (woodmiller and houtzaagmolenaarsknecht) and Berbora Gonggrijp (maid servant), maid servant, died in Harlingen on July 20, 1951, buried there after July 20, 1951, aged 88 years.