דַּבֵּ֣ר אֲלֵהֶ֗ם כֹּֽה־אָמַר֮ אֲדֹנָ֣י יְהוִה֒ הִנֵּה֩ אֲנִ֨י לֹקֵ֜חַ אֶת־עֵ֤ץ יוֹסֵף֙ אֲשֶׁ֣ר בְּיַד־אֶפְרַ֔יִם וְשִׁבְטֵ֥י יִשְׂרָאֵ֖ל חברו [חֲבֵרָ֑יו] וְנָתַתִּי֩ אוֹתָ֨ם עָלָ֜יו אֶת־עֵ֣ץ יְהוּדָ֗ה וַֽעֲשִׂיתִם֙ לְעֵ֣ץ אֶחָ֔ד וְהָי֥וּ אֶחָ֖ד בְּיָדִֽי׃
say into them: Thus saith the Lord GOD: Behold, I will take the stick of Joseph, which is in the hand of Ephraim, and the tribes of Israel his companions; and I will put them unto him together with the stick of Judah, and make them one stick, and they shall be one in My hand.
Read kabbalistic (mystical) interpretation of Ezekiel 37:19: and classical mystical sources.