Eelke de Jong, born in Harlingen on April 6, 1863, son of Eelke Wybes de Jong and Jantje Reinhart, barge hand, sailor, casual labourer, fisher and barge hand, died in Harlingen on July 19, 1920, buried there, aged 57 years.

Eelke was married in Harlingen on November 18, 1886, at the age of 23 to
Fokje Tigchelaar (aged 20 years), born in Harlingen on March 30, 1866, daughter of Klaas Gerrits Tigchelaar (dock hand, workman and dock hand) and Grietje Dirks Sleeper van Arum (maid-of-all-work), maid servant, jobless and shopkeeper, died in Harlingen on November 7, 1947, buried there, aged 81 years.

• 1 : Eelke de Jong, born in Nieuwer Amstel on August 23, 1887, sailor, assistant lock keeper and bridge- as well as lockkeeper, died in Harlingen on December 2, 1945, buried there, aged 58 years.
  Eelke was married in Harlingen on August 21, 1908, at the age of 20 to Sipkje Tichelaar (aged 20 years), born in Harlingen on January 24, 1888, daughter of Lodewijk Tichelaar (worker and workman) and Eelkje Geldersma, died in Harlingen on March 27, 1972, buried there on March 30, 1972, aged 84 years.
  

• 2 : Klaas de Jong, born in Harlingen on February 22, 1891, typesetter.
  

• 3 : Jan de Jong, born in Harlingen on July 29, 1893, blacksmith.
  

• 4 : Tjerk de Jong, born in Harlingen on June 22, 1896, journeyman baker.
  Tjerk was married in Harlingen on November 13, 1919, at the age of 23 to Cornelia van der Veen (aged 22 years), born in Leeuwarden on March 13, 1897, daughter of Uilke van der Veen (bargeman and bargeman) and Geertje van der Wal.
  

• 5 : Henderikus de Jong, born in Harlingen on October 2, 1898, blacksmith.
  

• 6 : Grietje de Jong, born in Harlingen on February 21, 1901, died on December 25, 1954, aged 53 years.
  Grietje was married in Harlingen on April 19, 1923, at the age of 22 to Doede van Seijst (aged 28 years), born in Harlingen on January 5, 1895, son of Dirk van Seijst and Aukje Faber, sailor and fireman merchant navy, died on July 24, 1987, aged 92 years.