>>508734614
"Now these are the generations of the sons of Noah, Shem, Ham, and Japheth: and unto them were sons born after the flood. The sons of Japheth; Gomer, and Magog, and Madai, and Javan, and Tubal, and Meshech, and Tiras. And the sons of Gomer; Ashkenaz, and Riphath, and Togarmah."
― Genesis 10:1-3, KJV

Noah had three sons, Shem, Japheth and Ham.
Japeth begot Gomer and Gomer begot Ashkenaz.
The Khazars originated from ancient Ashkenaz.