וַיָּבֹא֙ הַפָּלִ֔יט וַיַּגֵּ֖ד לְאַבְרָ֣ם הָעִבְרִ֑י וְהוּא֩ שֹׁכֵ֨ן בְּאֵֽלֹנֵ֜י מַמְרֵ֣א הָאֱמֹרִ֗י אֲחִ֤י אֶשְׁכֹּל֙ וַאֲחִ֣י עָנֵ֔ר וְהֵ֖ם בַּעֲלֵ֥י בְרִית־אַבְרָֽם׃
And there came one that had escaped, and told Abram the Hebrew—now he dwelt by the terebinths of Mamre the Amorite, brother of Eshcol, and brother of Aner; and these were confederate with Abram.
Read kabbalistic (mystical) interpretation of Genesis 14:13: and classical mystical sources.