וְדִשׁ֥וֹן וְאֵ֖צֶר וְדִישָׁ֑ן אֵ֣לֶּה אַלּוּפֵ֧י הַחֹרִ֛י בְּנֵ֥י שֵׂעִ֖יר בְּאֶ֥רֶץ אֱדֽוֹם׃
and Dishon and Ezer and Dishan. These are the chiefs that came of the Horites, the children of Seir in the land of Edom.
Read kabbalistic (mystical) interpretation of Genesis 36:21: and classical mystical sources.