Edited sentence: Despite recent genetic evidence to the contrary, and a lack of any real mainstream scholarly support, this belief is still popular among groups such as the Christian Identity Movement, Black Hebrews, British Israelitists and others (particularly Arabs) who claim that they, rather than Jews, are the true descendants of the Israelites, or who seek to usurp the connection between Ashkenazi Jews and Israel in favor of their own.For more detail on this controversy, see below.The theory that the majority of Ashkenazic Jews are the descendants of the non-Semitic converted Khazars was advocated by various racial theorists and antisemitic sources in the 20th century, especially following the publication of Arthur Koestler's The Thirteenth Tribe