Jacob van Coeverden was married to Jetje Zilverberg. They had a daughter Marchien and a son Louis who lived only one day. The family lived at 17a Posthoornsebredehoek in Zwolle. Jacob van Coeverden was a painter.
D. Stibbe and J. Hagedoorn, Herinneringsboek joods Zwolle 1940-1945 (Zwolle 1995) 28-29
In addition, a Jokos file (number 54130) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.