Khazar theory is provable by DNA
https://www.independent.co.uk/news/science/archaeology/scientists-reveal-jewish-historys-forgotten-turkish-roots-a6992076.html
The inclusion of forced convert Edomites(Idumeans/descendents of Esau)
is confirmed by the Jewish Encyclopedia
https://www.jewishvirtuallibrary.org/edom
"The land of Edom" is the most common name for the Edomite territory. ….. the whole of Idumea and undertook the forced conversion of its inhabitants to Judaism …
The more you know