Sara van Creveld was a daughtger of Marcus van Creveld and Dina Marsman. She married 4 September 1901 in Amsterdam to Hartog Dikker, a son of Levie Jacob Dikker and Dientje Andries Heilbron. Hartog Dikker passed away in Amsterdam on 9 June 1937. The couple had two children: Leonard and Hartog.
City Archive of Amsterdam, archive card of Sara van Creveld and website www.wiewaswie.nl.