Alexander Groen was shot in an attempt to escape on 7 November 1942. He was a goldsmith.
Death books of Camp Amersfoort; these can be consulted at the website of the National Memorial Camp Amersfoort
In addition, a Jokos file (number 16734) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a gold-and silver shop, address: Weesperstraat 101 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives