Pietje de Boer, born in Sloten on September 15, 1877, daughter of Jan Siegers de Boer and Jeltje Klazes Hogendorf.

Pietje was married in Tietjerksteradeel on May 24, 1902, at the age of 24 to
Marten Bonzes Zeilstra (aged 27 years), born in Tietjerksteradeel on August 1, 1874, son of Bonzen Jans Zeilstra and Antje Pieters van der Sluis, died in Leeuwarden on January 26, 1918, aged 43 years.

• 1 : Sieger Zeilstra, born circa 1916, died in Tietjerksteradeel on March 21, 1917, aged approximately 1 year.