Aron Monnikendam was a son of Salomon Monnikendam and Sara Kaseres. He married in Amsterdam on 14 November 1934 to Rechel Starkman from Poland. The couple had one son, Salomon.
City Archive of Amsterdam, archive card of Aron Monnikendam.
In addition, a Jokos file (number 12502) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.