Salomon Monnikendam was engaged to Fedora Gosselaar. The couple had a child that survived the war.
A biography on Salomon Monnikendam can be found at the website WesterborkPortretten of the Memorial Center of the transit camp Westerbork
Addition of a visitor of the website
Salomon Monnikendam had a twin-sister Antje Monnikendam.
City Archive of Amsterdam, archive card of Abraham Monnikendam.