Antje de Boer, born circa 1811 (?).

Antje was married to
Symon Kalksma, born circa 1807 (?).

• 1 : Grietje Simons Kalksma, born in Workum on November 25, 1834, died there on April 7, 1874, aged 39 years.
  Grietje was married in Workum on June 25, 1859, at the age of 24 to Jelte Franses Haarsma (aged 28 years), born in Wonseradeel on July 7, 1830, son of Frans Jeltes Haarsma and Greetje Sipkes van der Sluis, workman, died in Harlingen on March 31, 1891, aged 60 years.
  Jelte was married afterwards in Workum on August 15, 1874, at the age of 44 to Dooitse Klazes (aged approximately 22 years), born circa 1852 (?).