Max Jacoby was married to Gertrud Aul, who was born on 28 March 1907. She emigrated from Berlin to Amsterdam on 1 May 1937. In 1940, Max and Gertrud lived together at Slaakstraat 5 in Amsterdam. Gertrud emigrated to New York, where her father Joseph Aul already lived, on 19 February 1940. According to an unsourced family tree reference on ancestry.com, she died on 19 August 1942 in New York.
Person is in the National Database of Victims of Persecution