וְאֵ֗לֶּה בְּנֵ֤י אָהֳלִֽיבָמָה֙ אֵ֣שֶׁת עֵשָׂ֔ו אַלּ֥וּף יְע֛וּשׁ אַלּ֥וּף יַעְלָ֖ם אַלּ֣וּף קֹ֑רַח אֵ֣לֶּה אַלּוּפֵ֞י אָֽהֳלִיבָמָ֛ה בַּת־עֲנָ֖ה אֵ֥שֶׁת עֵשָֽׂו׃
And these are the sons of Oholibamah Esau’s wife: the chief of Jeush, the chief of Jalam, the chief of Korah. These are the chiefs that came of Oholibamah the daughter of Anah, Esau’s wife.
Read kabbalistic (mystical) interpretation of Genesis 36:18: and classical mystical sources.