Correspondence primarily between members of the Höpken and Sommer families. Includes several candid letters from Eduard Höpken that describe his experiences during and after World War II as well as the political climate in Germany during the 1950s. Of special interest is a family newsletter written on January 6, 1971 by Eduard and his wife Elisabeth Höpken that provides biographical information about their children including Gisela Sommer and her husband Ulrich Sommer, Johann Höpken, Walter Höpken, Karl Höpken, Wilhelm Höpken, and Peter Höpken. Records include letters and postcards.