Nathan Wijnberg married Elisabeth Evalina Overste. The chuppah was performed by Chief Rabbi J. Vredenburg of Arnhem's Dutch-Jewish Congregation on 12 August 1925.
On 6 April 1927 their daughter Betty Johanna was born in Groningen and their son Martin Siegfried, also in Groningen, was born on 5 February 1929. Martin Siegfried was circumcised by the mohel S.B. Nathans in Groningen on 28 February 192…