Sikke Tigchelaar, born in Harlingen on October 2, 1866, son of Haye Gerbens Tigchelaar (sailor and merchant) and Anna Margrieta Nauta, merchant in patotoes and vegetables, died in Groningen on October 3, 1927, buried in Harlingen, aged 61 years.

Sikke was married in Harlingen on March 27, 1890, at the age of 23 (1) to
Geertruida Catharina Busser (aged 23 years), born in Harlingen on October 26, 1866, daughter of Antoon Busser and Sybrigje Dijkstra, died there on April 30, 1898, aged 31 years.

• 1 : Anna Margarethe Tigchelaar, born in Harlingen on December 20, 1890, died in the year 1974, aged 84 years.
  

• 2 : Siebrigje Tigchelaar, born in Harlingen on May 20, 1895, died in the year 1980, aged 85 years.
  Siebrigje was married in Harlingen on May 8, 1919, at the age of 23 to Jacobus Everhardus Tjebbes (aged approximately 24 years), born in Koudum circa 1895, son of Tjebbe Tjebbes and Gettje Penninga, farmer.
  

• 3 : Haaije Tigchelaar, born in Harlingen on March 30, 1898, clerk, died in the year 1979, aged 81 years.
  Haaije was married in Harlingen on July 31, 1924, at the age of 26 to Elisabeth Bijlsma (aged 27 years), born in Harlingen on February 1, 1897, daughter of Sjoerd Bijlsma and Trijntje Koopmans, died in the year 1988, aged 91 years.
  

Sikke was married in Harlingen on August 15, 1898, at the age of 31 (2) to
Foekje Posthuma (aged 28 years), born in Harlingen on October 10, 1869, daughter of Simon Posthuma and Hinke Holstein, died there on July 2, 1931, buried there, aged 61 years.

• 4 : Simon Tigchelaar, born in Harlingen on April 22, 1900, stuurman grote handelsvaart, died on May 17, 1982, aged 82 years.
  Simon was married in Harlingen on May 4, 1927, at the age of 27 to Rinske Bijlsma (aged 26 years), born on February 17, 1901, daughter of Sjoerd Bijlsma and Trijntje Koopmans, died on September 22, 1986, aged 85 years.