וְיָקְשָׁ֣ן יָלַ֔ד אֶת־שְׁבָ֖א וְאֶת־דְּדָ֑ן וּבְנֵ֣י דְדָ֔ן הָי֛וּ אַשּׁוּרִ֥ם וּלְטוּשִׁ֖ים וּלְאֻמִּֽים׃
And Jokshan begot Sheba, and Dedan. And the sons of Dedan were Asshurim, and Letushim, and Leummim.
Read kabbalistic (mystical) interpretation of Genesis 25:3: and classical mystical sources.