Israel van der Velde was a son of Joseph van der Velde and Klaartje van Win. He married 27 November 1913 in Amsterdam to Vrouwtje Polak, daughter of Meijer Polak and Rebecca van Kampen. The couple had three children: Joseph, Rebecca and Clara.
City Archive of Amsterdam, family registration card of Israel van der Velde and website www.wiewaswie.nl.
Biography