Jacob Schrijver was a son of Juda Schrijver and Schoontje Gobes. He married Naatje van Weren in Amsterdam on 17 July 1913, daughter of Salomon van Weren and Rebecca Halverstad. The couple had three children, Juda, Salomon and Hartog, who passed in April 1930. only five years old.
City Archive of Amsterdam, archive card of Jacob Schrijver and website www.wiewaswie.nl.