Hendrik Johannes van der Schaaf, born in Grouw on June 8, 1834, son of Johannes Haytes van der Schaaf (shipwright's man and shipwright's man) and Wypkjen Uiltjes Veenema.


Hendrik was married in Idaarderadeel on May 24, 1856, at the age of 21 to
Dieuwke Sjoerds van Stralen (aged approximately 22 years), born in Grouw circa 1834.