And Karl Marx’s father converted the family to Lutheranism, so as to help with their assimilation and Germanization. For example, Marx pere changed his name from the Jewish Herschel to the more Germanic Heinrich. In other words, the only thing Jewish about ol’ Karl, is his ethnic background.
No matter how a Jew tries to run from his heritage he will always be a Jew. Maybe after three or four generations of assimilation or inter-marriage then it fades.