I Chronicles 7:37 Kabbalah

בֶּ֣צֶר וָה֗וֹד וְשַׁמָּ֧א וְשִׁלְשָׁ֛ה וְיִתְרָ֖ן וּבְאֵרָֽא׃

Bezer, and Hod, and Shamma, and Shilsha, and Ithran, and Beera.

Read kabbalistic (mystical) interpretation of I Chronicles 7:37: and classical mystical sources.