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Marx Family Collection

Identifier: AR 25407

Scope and Content Note

This collection documents the life of the Marx family.

Series I mainly consists of correspondence between the family members. Field post letters constitute a great part of this series. Those were written in World War I by Sigmund Marx and his younger brother Max Marx, who both served in the army. Furthermore, the series includes greeting cards and telegrams in celebration of Sigmund and Mathilde's marriage in 1911. Another part of Series I is constituted of cards and letters written between the brothers Ernest Marx and Paul Marx. This series also comprises letters written in Hebrew and one letter, which was composed in 1861. In addition, Series I holds some personal materials of Kate and Paul Marx. Such items include photographs, family trees, travel memorabilia and invitations to Kate Marx from the mayors of Nuremberg and Frankfurt am Main, where she once lived.

Series II contains the correspondence of Marx family members. Prominent among the correspondence are the field post letters sent by Sigmund Marx and his younger brother Max during their time in the German army in World War I. Other letters include those sent by Sigmund to his wife Mathilde and correspondence concerning their marriage in 1911 as well as letters of other family members.

Series III comprises a small amount of official documents, such as marriage certificates, testimonials and an application for reentry permission as well as educational and vocational certificates. Other official documents which can also be found in Folder 9 are some receipts of Sigmund Marx’s arrival in the Concentration Camp Dachau and a letter by him addressed to its administration (Gefangenen-Eigentumsverwaltung Konzentrationslager Dachau), where he was jailed in winter 1938. Of particular interest might be the Nazi registration documents of the Baruch family, who moved from Nuremberg to Berlin in 1933. One year later they resettled in Frankfurt am Main. Folders 7 and 8 of Series II hold several school testimonials of Ernest and Paul Marx, when they attended the Humanistisches Gymnasium Ludwigshafen am Rhein and the Oberrealschule Ludwigshafen am Rhein.

Series IV contains various material regarding the financial affairs from Sigmund Marx and his sons Ernest and Paul Marx, such as two account books of the Marx family company (flour wholesale business, Mehlgrosshandlung) in Ludwigshafen am Rhein and a huge amount of tax documents pertaining to the partnership conducted by Sigmund Marx and his younger brother Willy Marx. In folder 13 is also to be found their contract, when Willy Marx left the company in 1934, shortly before he emigrated to Palestine. The same folder holds correspondence between Sigmund Marx and the German tax office and also with the Zentralausschuss fuer Hilfe und Aufbau. In addition, Series IV also encloses the restitution efforts of Ernest and Paul Marx, after they had already moved to the U.S. They made a successful restitution claim for their property in Wiesloch, Germany.

Series V comprises a huge amount of clippings regarding German-Jewish life during the Nazi regime. The bulk of the articles are from French newspapers. Others are from German and British ones. One folder contains a special edition of the Berliner Illustrierte Zeitung pertaining to the Anschluss in 1938.


  • Creation: 1847-1999
  • Creation: Majority of material found within 1937-1945


Language of Materials

The collection is in German, Hebrew, and English.

Access Restrictions

Open to researchers.

Access Information

Collection is digitized. Follow the links in the Container List to access the digitized materials.

Readers may access the collection by visiting the Lillian Goldman Reading Room at the Center for Jewish History. We recommend reserving the collection in advance; please visit the LBI Online Catalog and click on the Reserve button.

Use Restrictions

There may be some restrictions on the use of the collection. For more information, contact:

Leo Baeck Institute, Center for Jewish History, 15 West 16th Street, New York, NY 10011


Biographical Note

The Marx family lived at the beginning at the twentieth century in Ludwigshafen am Rhein (Rheinland-Pfalz), Germany.

Sigmund Marx was born in Baierthal (near Heidelberg) on December 29, 1879, as the first child of Ricka and Lazarus Loewenthal. In 1911 he married Mathilde Marx, née Marx who was born in Wiesloch on July 31, 1888. Together with his younger brother Willy Marx, Sigmund Marx established a flour wholesale business in Ludwigshafen am Rhein. In 1934 Willy Marx left the family company to move to Palestine. It is not known exactly when Sigmund Marx emigrated to the U.S. and settled in New York City, but he was still in Germany whe his wife Mathilde Marx passed away on April 12, 1938. Sigmund Marx died in New York City on February 28, 1946.

Sigmund and Mathilde, also known as Thilde, had two sons, Ernest and Paul Marx. Ernest was born in Mannheim on July 7, 1913. He served in the German army like his brother and worked as a trader in Ludwigshafen am Rhein. Ernest Marx moved to New York in 1938, where he joined the U.S. army. His younger brother Paul Marx was also born in Mannheim on December 13, 1915. For two years he worked as an apprentice in a watch and jewelry factory. Afterwards he attended goldsmithing school in Antwerp, Belgium. In 1938 he emigrated with his wife Kate Baruch to New York.

In 1939 Paul Marx left New York for one year to study in Noordam, Belgium. His wife Kate Marx visited Nuremberg and Frankfurt am Main in 1983 and 1999.


1.25 Linear Feet


This collection documents the lives of the Marx family, who lived at the beginning of the twentieth century in Ludwigshafen am Rhein (Rheinland-Pfalz), Germany. There Sigmund Marx built up a flour wholesale business with his brother Willy Marx. Sigmund Marx was married to Mathilde Marx, who gave birth to Ernest and Paul Marx. The collection contains the correspondence of the Marx family, financial papers of the Sigmund Marx business and a huge amount of clippings regarding German-Jewish life during the Nazi period.

Separated Material

A music record has been removed from Series I of this collection to the Audiovisual Collection.

Guide to the Papers of the Marx Family 1847-1999 AR 25407
Processed by Ira Fiona Sebekow
© 2010
Language of description
Script of description
Language of description note
Description is in English.
Edition statement
This version was derived from MarxFamily.xml

Revision Statements

  • January 19, 2012 : Links to digital objects added in Container List.

Repository Details

Part of the Leo Baeck Institute Repository

15 West 16th Street
New York NY 10011 United States