Curt Elkan was the son of Max Elkan and Käthe Falkenstein. He married Bella Mayer in Amsterdam in 1911. The couple had at least two children: Frits and one child that survived the war. Bella Mayer died in 1938.
Amsterdam Municipal Archives; record card of Curt Elkan
This person is commemorated on a memorial in Vijfhuizen. More information on this memorial can be found (in Dutch) on the website …