Froukje married Marcus van der Ven on august 7th 1885 in Amsterdam. The couple had 7 children. Marcus died may 15th 1919 in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Froukje Coster.
Froukje van der Ven-Coster
Leeuwarden, – Amsterdam,
Reached the age of 88 years