Max Spittel was born in Aachen on November 21, 1876, the son of the merchant Nathan Spittel and his wife Bertha.

Marie Miriam Benedik was born in Vienna on June 23, 1908, the daughter of David Benedik and his wife Rosalia, née Schwarcz. Her siblings were Alexander, Robert, Judith, Margit and Franziska.

Bertha Baruch was born on April 27, 1861 in Alt Kriewen / Lyck / East Prussia to Jewish parents.