Klaas Tichelaar, born in Harlingen on May 23, 1851, son of Tjerk Gerrits Tjerks Tichelaar (workman) and Harmke Baukes Faber, workman and casual labourer, died in Harlingen on April 7, 1931, buried there in April 1931, aged 79 years.

Klaas was married in Harlingen on May 30, 1878, at the age of 27 to
Adriaantje Geelof (aged 20 years), born in Harlingen on March 2, 1858, daughter of Johannes Geelof (knitter, dock hand, innkeeper, publican, shopkeeper and publican) and Hendrikje Pieters Hanzen, died in Harlingen on December 16, 1926, buried there in December 1926, aged 68 years.

• 1 : Tjerk Tichelaar, born in Harlingen on January 27, 1880, panmaker, died in Harlingen in the year 1905, aged 25 years.
  

• 2 : Johannes Tichelaar, born in Harlingen on July 28, 1882, died in Leeuwarden on April 5, 1944, buried there in April 1944, aged 61 years.
  Johannes was married in Harlingen on December 26, 1907, at the age of 25 to his half-cousin Elisabeth Tichelaar (aged 30 years), born in Harlingen on June 6, 1877, daughter of Gerrit Tjerks Tichelaar (worker, workman, barge hand and dock hand) and Hinke de Wit (maid servant), died in Amsterdam on February 5, 1934, aged 56 years.
  

• 3 : Bauke Tichelaar, born in Harlingen on September 14, 1884, died there on July 11, 1886, aged 1 year.
  

• 4 : Hendrikje Tichelaar, born in Harlingen on December 5, 1887, died in Amsterdam on November 16, 1965, buried in Makkum on November 20, 1965, aged 77 years.
  Hendrikje was married in Harlingen on June 20, 1907, at the age of 19 to Leendert van Malsen (aged 22 years), born in Zaltbommel on July 29, 1884, son of Gijsbert van Malsen and Pietronella Pellegrom, fisherman, workman and dredge engineer, died in Makkum on July 2, 1964, aged 79 years.
  

• 5 : Bauke Tichelaar, born in Harlingen on May 21, 1889, died there on May 8, 1890, aged 352 days.
  

• 6 : Harmke Tichelaar, born in Harlingen on June 17, 1891, died in Amsterdam on May 14, 1940, aged 48 years.
  Harmke was married in Sliedrecht on July 30, 1910, at the age of 19 to Teunis Smouter (aged 24 years), born in Sliedrecht on September 15, 1885, son of Jan Smouter (workman) and Trijntje Smits, dredger, machinist and dredge master, died in Marseille on July 5, 1948, aged 62 years.
  

• 7 : Mieke Maria Tichelaar, born in Harlingen on November 23, 1892, died in Amsterdam on March 10, 1962, buried there on March 14, 1962, aged 69 years.
  Mieke was married in Amsterdam on August 8, 1917, at the age of 24 to Thomas Hendricus Johannes Christianus van Leek (aged 25 years), born in Amsterdam on April 3, 1892, son of Thomas Hendricus Johannes Christianus van Leek (dokwerker) and Anna Elisabeth Holtwijk, corporal-cook, wine-merchant, night watchman and clerk, died in Amsterdam on November 7, 1962, aged 70 years.
  Thomas was married before before August 8, 1917, at the age of at most 25 to (and divorced before August 8, 1917 from) Hendrika de Leeuw (aged at most 25 years), born circa 1892 (?).
  

• 8 : Wilhelmina Tichelaar, born in Harlingen on April 2, 1894, died in Weidum on March 28, 1982, buried in Goutum on March 31, 1982, aged 87 years.
  Wilhelmina was married in Amsterdam on March 1, 1917, at the age of 22 to Jan Bulthuis (aged 22 years), born in Amsterdam on March 17, 1894, son of Luurt Bulthuis (workman) and Marijke Drost, shoemaker and car dealer, died in Leeuwarden on June 2, 1972, aged 78 years.
  

• 9 : Adriaantje Tichelaar, born in Harlingen on June 12, 1895, died there on October 4, 1895, aged 114 days.
  

• 10 : Klaas Tichelaar, born in Harlingen on July 19, 1896, docker, crane driver and watchman, died in Amsterdam on November 10, 1972, aged 76 years.
  Klaas was married in Danzig on February 28, 1920, at the age of 23 to Berta Augusta Grabinski (aged 21 years), born in Bürgerwiesen on August 1, 1898, daughter of Valentin Grabinski and Justine Peters, died in Amsterdam on March 26, 1976, aged 77 years.
  

• 11 : Klaske Tichelaar, born in Harlingen on May 20, 1899, died in Hoorn on August 27, 1975, buried in Harlingen in August 1975, aged 76 years.
  Klaske was married in Harlingen on August 10, 1922, at the age of 23 to Douwe Cousijn (aged 22 years), born in Kimswerd on January 23, 1900, son of Sjoerd Cousijn (worker and farmer) and Eke Anema, worker, fisherman and net-maker, died in Sneek on May 23, 1987, buried in Harlingen, aged 87 years.