In April 1941, Het Joodsche Weekblad published an obituary for Abraham van Collem.
Het Joodsche Weekblad, 11 April 1941, 9
This person lived alone or no information about family members is known or traceable.
The funeral records at the Jewish cemetery in Rotterdam reveal that Abraham van Collem was buried there.
In addition, a Jokos file (number 15922) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.