II Samuel 23:24 Kabbalah

עֲשָׂה־אֵ֥ל אֲחִֽי־יוֹאָ֖ב בַּשְּׁלֹשִׁ֑ים אֶלְחָנָ֥ן בֶּן־דֹּד֖וֹ בֵּ֥ית לָֽחֶם׃

Asahel the brother of Joab was one of the thirty; Elhanan the son of Dodo of Beth-lehem;

Read kabbalistic (mystical) interpretation of II Samuel 23:24: and classical mystical sources.