Isidore Monnikendam was a son of Abraham Salomon Monnikendam and Schoontje Wijnberg. He married in Amsterdam on 22 December 1898 to Elisabeth Ziekenoppasser, daughter of Saul Ziekenoppasser and Henriette van Gelder.
The couple had six children: Abraham, Saul, Jacob, Henriette Jeanette, Margaretha and Suzanna, who has survived the Holocaust.
City Archive of Amsterdam, archive card of Isidore Monnikendam and website www.wiewaswie.nl.
Biography