Jakob Stern was born in 1892 in Lendershausen. He served in World War I before moving to St. Ingbert in 1922. In 1932, he opened a clothing store, which was officially closed by authorities on September 28, 1935. On October 26, 1935, he fled to Bad Mondorf, Luxembourg. From there, he traveled via Paris and Le Havre, arriving in the United States in March 1936. Jakob Stern died in New Haven on November 28, 1965.
Helene Roos was born in 1893 in Heimbach-Weiss. She married Jakob Stern in 1922. Together, they fled to Bad Mondorf on October 26, 1935, then to Paris and finally emigrated to the U.S. in March 1936. Helene Stern died in New York on April 19, 1949.