Ezekiel, one of the prophets, tells us that God will divide the Promised Land between the twelve tribes of Israel in the Millennium [1000 year rule of Jesus Christ], in Ezekiel 47 and 48.
We wonder how the Jews will learn their proper identity. The only Jew who can definitely determine their origin are those named Levi or Cohen, they belong to the Levites or Kohanim, the 'Sons of Aaron.'