Alex Marcel van Westerborg was a son of Salomon van Westerborg (passed away 13 March 1932) and Antoinette Elizabeth Fles. He married 25 September 1941 in Rotterdam Bertha Galewski, a daughter of Mozes Galewski and Mirjan Freimann.
Alex was born into a family of three children, of whom he and his bro…
In addition, a Jokos file (number 53421) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.