It is common knowledge that Karaims but not Karaite Jews boast descent from Khazars but what they do not realize is that we believe the  Onoq whence came mixing with Carian mercenaries from Caphtor and Kolhkis our Khazar ancestors were in fact the remnant of the lost TenTribes of Israel who formed our priesthood It is precisely for this reason that Karaite Jewish scholars like Jacob Ben Reuben of Byzanteum and Yefet ben Ali or Jeshua ben Judah call us bastards in their writings   The following editor  above points out very eloquently that Karaims explained this this long standing tradition to the Russian authorities as soon as we started to come under their dominion almost a century before Firkovich published the results of his attempt to test the theory