Romkje Feenstra, born in Udenhout on March 28, 1886, daughter of Ulbo Klazes Feenstra (postoffice clerk, stationchef (1882) and stationmaster) and Tytje Reinouts van Haga.

Romkje was married in Apeldoorn on February 22, 1910, at the age of 23 to
Paulus Marinus Terwee (aged 25 years), born in Zaandam on September 8, 1884, son of Ferdinand Albertus Terwee (wholesale dealer) and Cornelia van Heiningen, wholesale dealer.