They look similar because both involve Hitler’s family and antisemitism, but the ‘Jewish grandfather’ story and the artillery-range myth are very different in origin and evidence.
antisemitism
5 Things Wilhelm II’s 1927 ‘Gas’ Letter Reveals
In 1927 ex-Kaiser Wilhelm II wrote that Jews were a “plague” and that “the best would be gas.” Here are 5 things this letter reveals about Germany before Hitler.