Izak Casper Cohen was married to Vrouwtje Levie who also lived at the Tehuis voor Israëlitische Ouden Lieden (home for Jewish elderly people) in Arnhem. The couple had several children, among whom Saartje.
Addition of a visitor of the website
In addition, a Jokos file (number 60018) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.