Ezekiel 17:13 Kabbalah

וַיִּקַּח֙ מִזֶּ֣רַע הַמְּלוּכָ֔ה וַיִּכְרֹ֥ת אִתּ֖וֹ בְּרִ֑ית וַיָּבֵ֤א אֹתוֹ֙ בְּאָלָ֔ה וְאֶת־אֵילֵ֥י הָאָ֖רֶץ לָקָֽח׃

and he took of the seed royal, and made a covenant with him, and brought him under an oath, and the mighty of the land he took away;

Read kabbalistic (mystical) interpretation of Ezekiel 17:13: and classical mystical sources.