Roelofje Jans Zeilstra, born in Idaarderadeel on November 23, 1839, daughter of Jan Bonses Zeilstra (fisherman) and Haakje Martens de Vries.

Roelofje was married in Opsterland on May 28, 1865, at the age of 25 to
Hendrik Berends de Haan (aged 28 years), born in Opsterland on August 13, 1836, son of Berend Foppes de Haan and Froukjen Hendriks Bosma, died there on March 16, 1922, aged 85 years.

From this marriage: