Sijbren Schaafsma, born in Harlingen on August 2, 1873, casual labourer.

Sijbren was married to
Johanna Wilhelmina Hoekstra, born in Harlingen on July 11, 1878.

• 1 : Sietske Schaafsma, born in Harlingen on October 28, 1901, died in Tiel on June 15, 1964, buried there on June 18, 1964, aged 62 years.
  Sietske was married in Harlingen on July 23, 1925, at the age of 23 to Abraham Tigchelaar (aged 25 years), born in Harlingen on August 20, 1899, son of Anne Tigchelaar (workman, municipal worker and municipal worker) and Taetske de Vries (maid servant), marine engineer, technician, fitter gasworks, gasworks technician and caretaker, died in Warnsveld on July 12, 1991, buried in Tiel on July 17, 1991, aged 91 years.
  Abraham was married afterwards in Amsterdam on April 9, 1965, at the age of 65 to Maria Bootsma (aged 61 years), born in Franeker on October 9, 1903, daughter of Doede Bootsma and Aukje Wels.