Eugène Benjamin van Gelder was the twin brother of Arthur Salomon van Gelder. Both were born in Utrecht on 5 July 1902 as sons of Meyer van Gelder and Flora Meyer. During the war Arthur managed to arrive in Switzerland and has survived the Holocaust. In 1947 he immigrated in Los Angeles (USA).
In June 1921, Eugène Benjamin van Gelder was drawn by lot with his twin brother Arthur, and designated fo…