Romke Jans Zeilstra, born in Tietjerksteradeel on June 16, 1841, son of Jan Bonses Zeilstra (fisherman) and Haakje Martens de Vries.

Romke was married in Aengwirden on June 27, 1874, at the age of 33 to
Betje Hes (aged 32 years), born in Lippenhuizen on March 7, 1842, daughter of Hartog Meyer Hes and Elisabeth Klazes Kuipers.

From this marriage: