Isaac van der Velde was a son of Juda van der Velde and Elisabeth Pimentel. He married 9 April 1924 in Amsterdam Annetta Binger, a daughter of Gerard Binger and Abigael de Jong.
Isaac and Annetta had two children: Juda and Reina.
Isaad and Annetta resided in the 30s and the early 40s at separate addresses. However, when his wife resided since April 1940 at Blasiusstraat 140 I, Isaac stayed with he…