Elkan Spijer was a son of Joseph Spijer and Louise Wallega. He married Marianne Schelvis in Amsterdam on 6 July 1938, a daughter of Abraham Schelvis and Kaatje Leuiken.
City Archive of Amsterdam, archive cards of Kaatje Leuiken, Joseph Spijer, Elkan Spijer and website www.wiewaswie.nl.