Kaiser the emperors of the German Empire and the emperors of the Austrian Empire. During the First World War, anti-German sentiment was at its zenith; the term "the Kaiser"—especially as applied to Wilhelm II of Germany—thus gained considerable negative connotations in English-speaking countries. The Holy Roman Emperors (962–1806) called themselves "Kaiser", combining the imperial title with that of "King of the Romans" (assumed by the designated heir before the imperial coronation); they saw their rule as a continuation of that of the Roman Emperors and used the title derived from the title "Caesar" to reflect their supposed heritage. In 1806 the
Robert Kaiser (Nazi leader) Robert Kaiser (Nazi leader) Dr. Rober Kaiser was the leader of the RDF, Reichsbund Deutsche Familie (Reich's League for the German Family) after 1940, in the first years of World War II. The RDF, a branch of the NSDAP, was the pronatalist organization in Nazi Germany. Before Dr. Kaiser's takeover it had been known as "Reichsbund der Kinderreichen" (RDK) or (RdK), meaning "Reich's Union for Large Families". Dr. Kaiser took over the pro-natalist cause with fervor during the war years. The death of Germans in the front called for all-embracing measures to promote ""kinderreich"" families having large numbers of children.